Stronghold Locate causing crash

[WannaGrenade]

Crash upon /locate betterstrongholds:stronghold

NOTE: The stronghold does generate and a reset of the server is stable. Locateing causes this error

C:\Users----\Desktop\Fabric Server>java -jar fabric-server-launch.jar [14:33:38] [main/INFO]: Loading for game Minecraft 1.17.1 [14:33:39] [main/INFO]: [FabricLoader] Loading 54 mods:

• betterdungeons@1.17-1.0.1
• bettermineshafts@1.17-1.0.1
• betterstrongholds@1.17-1.1.1
• cloth-basic-math@0.5.1
• cloth-config2@5.0.38
• fabric@0.40.0+1.17
• fabric-api-base@0.3.0+a02b446318
• fabric-api-lookup-api-v1@1.3.0+cbda931818
• fabric-biome-api-v1@3.2.0+cbda931818
• fabric-blockrenderlayer-v1@1.1.5+a02b446318
• fabric-command-api-v1@1.1.3+5ab9934c18
• fabric-commands-v0@0.2.2+92519afa18
• fabric-containers-v0@0.1.12+cbda931818
• fabric-content-registries-v0@0.3.0+cbda931818
• fabric-crash-report-info-v1@0.1.5+be9da31018
• fabric-dimensions-v1@2.0.11+6cefd57718
• fabric-entity-events-v1@1.2.3+87cc6e4c18
• fabric-events-interaction-v0@0.4.10+fc40aa9d18
• fabric-events-lifecycle-v0@0.2.1+92519afa18
• fabric-game-rule-api-v1@1.0.7+cbda931818
• fabric-item-api-v1@1.2.4+cbda931818
• fabric-item-groups-v0@0.2.10+b7ab612118
• fabric-key-binding-api-v1@1.0.4+cbda931818
• fabric-keybindings-v0@0.2.2+36b77c3e18
• fabric-lifecycle-events-v1@1.4.4+a02b446318
• fabric-loot-tables-v1@1.0.4+a02b446318
• fabric-mining-levels-v0@0.1.3+92519afa18
• fabric-models-v0@0.3.0+a02b446318
• fabric-networking-api-v1@1.0.13+cbda931818
• fabric-networking-blockentity-v0@0.2.11+a02b446318
• fabric-networking-v0@0.3.2+92519afa18
• fabric-object-builder-api-v1@1.10.9+cbda931818
• fabric-object-builders-v0@0.7.3+a02b446318
• fabric-particles-v1@0.2.4+a02b446318
• fabric-registry-sync-v0@0.7.10+e2961fee18
• fabric-renderer-api-v1@0.4.4+cbda931818
• fabric-renderer-indigo@0.4.8+cbda931818
• fabric-renderer-registries-v1@3.2.2+fc40aa9d18
• fabric-rendering-data-attachment-v1@0.1.5+a02b446318
• fabric-rendering-fluids-v1@0.1.13+a02b446318
• fabric-rendering-v0@1.1.3+fc40aa9d18
• fabric-rendering-v1@1.8.1+fc40aa9d18
• fabric-resource-loader-v0@0.4.8+a00e834b18
• fabric-screen-api-v1@1.0.4+cbda931818
• fabric-screen-handler-api-v1@1.1.8+cbda931818
• fabric-structure-api-v1@1.1.13+5ab9934c18
• fabric-tag-extensions-v0@1.2.1+b06cb95b18
• fabric-textures-v0@1.0.6+a02b446318
• fabric-tool-attribute-api-v1@1.2.12+b7ab612118
• fabric-transfer-api-v1@1.3.0+fc40aa9d18
• fabricloader@0.11.6
• java@16
• minecraft@1.17.1
• yungsapi@1.17-Fabric-16

...

net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3222.method_14226(class_3222.java:530) ~[intermediary-server.jar:?] at net.minecraft.class_3244.method_18784(class_3244.java:212) ~[intermediary-server.jar:?] at net.minecraft.class_2535.method_10754(class_2535.java:238) ~[intermediary-server.jar:?] at net.minecraft.class_3242.method_14357(class_3242.java:183) ~[intermediary-server.jar:?] at net.minecraft.server.MinecraftServer.method_3813(MinecraftServer.java:902) ~[intermediary-server.jar:?] at net.minecraft.class_3176.method_3813(class_3176.java:335) ~[intermediary-server.jar:?] at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:831) ~[intermediary-server.jar:?] at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:697) ~[intermediary-server.jar:?] at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:270) ~[intermediary-server.jar:?] at java.lang.Thread.run(Thread.java:831) [?:?] Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) ~[intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) ~[?:?] [14:38:47] [Server thread/INFO]: DAChubon lost connection: Internal server error [14:38:47] [Server thread/INFO]: DAChubon left the game [14:38:51] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 16458ms or 329 ticks behind [14:38:52] [Server thread/ERROR]: Failed to save chunk [20, 116] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) ~[intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) ~[?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:52] [Server thread/ERROR]: Failed to save chunk [21, 116] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) ~[intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) ~[?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:52] [Server thread/ERROR]: Failed to save chunk [22, 114] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) ~[intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) ~[?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:52] [Server thread/ERROR]: Failed to save chunk [21, 114] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) ~[intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) ~[?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:52] [Server thread/ERROR]: Failed to save chunk [21, 115] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) ~[intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) ~[?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:52] [Worker-Main-5/ERROR]: Failed to save chunk [20, 115] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) [intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) [intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) [intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) [?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) [?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) [?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) [?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) [?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) [?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:53] [Worker-Main-5/ERROR]: Failed to save chunk [20, 114] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) [intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) [intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) [intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) [?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) [?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) [?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) [?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) [?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) [?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:53] [Worker-Main-5/ERROR]: Failed to save chunk [22, 115] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) [intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) [intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) [intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) [?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) [?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) [?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) [?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) [?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) [?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more [14:38:53] [Worker-Main-6/ERROR]: Failed to save chunk [22, 116] java.util.concurrent.CompletionException: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?] at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) ~[?:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155) ~[?:?] at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) ~[?:?] at net.minecraft.class_3900.method_17634(class_3900.java:58) ~[intermediary-server.jar:?] at net.minecraft.class_3846.method_16907(class_3846.java:91) [intermediary-server.jar:?] at net.minecraft.class_3846.method_16900(class_3846.java:146) [intermediary-server.jar:?] at net.minecraft.class_3846.run(class_3846.java:102) [intermediary-server.jar:?] at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434) [?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) [?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) [?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) [?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) [?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) [?:?] Caused by: net.minecraft.class_148: Accessing PalettedContainer from multiple threads at net.minecraft.class_3898.method_17225(class_3898.java:568) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more Caused by: java.lang.IllegalStateException at net.minecraft.class_5798.method_33564(class_5798.java:27) ~[intermediary-server.jar:?] at net.minecraft.class_5798.method_33566(class_5798.java:19) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12334(class_2841.java:50) ~[intermediary-server.jar:?] at net.minecraft.class_2841.method_12328(class_2841.java:110) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_12256(class_2826.java:66) ~[intermediary-server.jar:?] at net.minecraft.class_2826.method_16675(class_2826.java:60) ~[intermediary-server.jar:?] at net.minecraft.class_2839.method_12010(class_2839.java:179) ~[intermediary-server.jar:?] at com.yungnickyoung.minecraft.betterstrongholds.world.processor.LegProcessor.method_15110(LegProcessor.java:44) ~[BetterStrongholds-Fabric-1.17-1.1.1.jar:?] at net.minecraft.class_3499.method_16446(class_3499.java:385) ~[intermediary-server.jar:?] at net.minecraft.class_3499.method_15172(class_3499.java:228) ~[intermediary-server.jar:?] at net.minecraft.class_3781.method_16626(class_3781.java:126) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_27236(class_3790.java:88) ~[intermediary-server.jar:?] at net.minecraft.class_3790.method_14931(class_3790.java:84) ~[intermediary-server.jar:?] at net.minecraft.class_3449.method_14974(class_3449.java:97) ~[intermediary-server.jar:?] at net.minecraft.class_1959.method_28401(class_1959.java:366) ~[intermediary-server.jar:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189) ~[?:?] at it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53) ~[intermediary-server.jar:?] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] at net.minecraft.class_1959.method_8702(class_1959.java:365) ~[intermediary-server.jar:?] at net.minecraft.class_2794.method_12102(class_2794.java:245) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12151(class_2806.java:100) ~[intermediary-server.jar:?] at net.minecraft.class_2806.method_12154(class_2806.java:231) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17225(class_3898.java:556) ~[intermediary-server.jar:?] at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[intermediary-server.jar:?] at net.minecraft.class_3898.method_17224(class_3898.java:550) ~[intermediary-server.jar:?] at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) ~[?:?] ... 11 more

[yungnickyoung]

This is due to a strange vanilla bug introduced in 1.17. Working on fixing it now.

[yungnickyoung]

Alright, try the latest version (v1.1.2) and see if it fixes your issue. Let me know if it works!

[yungnickyoung]

Closing issue due to inactivity.