Crash

[mintythecreeper]

---- Minecraft Crash Report ---- // Who set us up the TNT?

Time: 2024-05-02 02:48:44 Description: Exception in server tick loop

java.util.ConcurrentModificationException: null at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013) ~[?:?] {} at java.util.ArrayList$Itr.remove(ArrayList.java:981) ~[?:?] {} at com.mactso.harderspawners.events.ServerTickHandler.onServerTickEvent(ServerTickHandler.java:42) ~[HarderSpawners-1.19.1-43.2.24.0.jar%23556!/:1.19.1-43.2.24.0] {re:classloading} at com.mactso.harderspawners.events.__ServerTickHandler_onServerTickEvent_ServerTickEvent.invoke(.dynamic) ~[HarderSpawners-1.19.1-43.2.24.0.jar%23556!/:1.19.1-43.2.24.0] {re:classloading,pl:eventbus:B} at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.3.jar%2351!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.3.jar%2351!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.3.jar%2351!/:?] {} at net.minecraftforge.event.ForgeEventFactory.onPostServerTick(ForgeEventFactory.java:849) ~[forge-1.19.2-43.3.13-universal.jar%23742!/:?] {re:mixin,re:classloading} at net.minecraft.server.MinecraftServer.m5705(MinecraftServer.java:843) ~[server-1.19.2-20220805.130853-srg.jar%23737!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:mixin:APP:saturn.mixins.json:allocations.server_directory.MinecraftServerMixin,pl:mixin:APP:infernal-expansion.mixins.json:common.MixinMinecraftServer,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:chunkpregen.mixins.json:common.server.MinecraftServerMixin,pl:mixin:APP:chunkpregen.mixins.json:common.server.ServerSeedMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:globaldataandresourcepacks.mixins.json:PackConfigurationMixin,pl:mixin:A} at net.minecraft.server.MinecraftServer.m130011(MinecraftServer.java:654) ~[server-1.19.2-20220805.130853-srg.jar%23737!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:mixin:APP:saturn.mixins.json:allocations.server_directory.MinecraftServerMixin,pl:mixin:APP:infernal-expansion.mixins.json:common.MixinMinecraftServer,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:chunkpregen.mixins.json:common.server.MinecraftServerMixin,pl:mixin:APP:chunkpregen.mixins.json:common.server.ServerSeedMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:globaldataandresourcepacks.mixins.json:PackConfigurationMixin,pl:mixin:A} at net.minecraft.server.MinecraftServer.m206580(MinecraftServer.java:244) ~[server-1.19.2-20220805.130853-srg.jar%23737!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,re:classloading,pl:accesstransformer:B,xf:fml:xaerominimap:xaero_minecraftserver,xf:fml:xaeroworldmap:xaero_wm_minecraftserver,pl:mixin:APP:saturn.mixins.json:allocations.server_directory.MinecraftServerMixin,pl:mixin:APP:infernal-expansion.mixins.json:common.MixinMinecraftServer,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:chunkpregen.mixins.json:common.server.MinecraftServerMixin,pl:mixin:APP:chunkpregen.mixins.json:common.server.ServerSeedMixin,pl:mixin:APP:fastload.mixins.json:server.MinecraftServerMixin,pl:mixin:APP:globaldataandresourcepacks.mixins.json:PackConfigurationMixin,pl:mixin:A} at java.lang.Thread.run(Thread.java:840) [?:?] {re:mixin}

[mactso]

This seems related to the other crash report. Are you running ModernFix?

[EastRane]

I have exactly the same problem. Crash happened when I was pregenerating chunks with Chunky.

https://pastebin.com/RPW7NDUm