[15:16:42 ERROR]: Could not pass event CreatureSpawnEvent to MobFarmManager v3.0.2.3
java.lang.NoSuchMethodError: 'org.bukkit.Chunk org.bukkit.World.getChunkAt(int, int, boolean)'
at com.MobFarmManager.Zrips.Util.CleanerManager.getChunkAt(CleanerManager.java:755) ~[MobFarmManager.jar:?]
at com.MobFarmManager.Zrips.Util.CleanerManager.getEntitiesFromChunksSync(CleanerManager.java:743) ~[MobFarmManager.jar:?]
at com.MobFarmManager.Zrips.Util.CleanerManager.checkEntitiesSync(CleanerManager.java:234) ~[MobFarmManager.jar:?]
at com.MobFarmManager.Zrips.Util.CleanerManager.cleanOnEntitySpawn(CleanerManager.java:223) ~[MobFarmManager.jar:?]
at com.MobFarmManager.Zrips.Listeners.EntityListener.onCreatureSpawnEventAsync(EntityListener.java:59) ~[MobFarmManager.jar:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor121.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.17.1.jar:git-Purpur-1428]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:76) ~[patched_1.17.1.jar:git-Purpur-1428]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.17.1.jar:git-Purpur-1428]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:628) ~[patched_1.17.1.jar:git-Purpur-1428]
at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.callCreatureSpawnEvent(CraftEventFactory.java:738) ~[patched_1.17.1.jar:git-Purpur-1428]
at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.doEntityAddEventCalling(CraftEventFactory.java:643) ~[patched_1.17.1.jar:git-Purpur-1428]
at net.minecraft.server.level.ServerLevel.addEntity0(ServerLevel.java:1483) ~[app:?]
at net.minecraft.server.level.ServerLevel.addEntity(ServerLevel.java:1395) ~[app:?]
at net.minecraft.world.level.ServerLevelAccessor.lambda$addAllEntities$0(ServerLevelAccessor.java:16) ~[app:?]
at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411) ~[?:?]
at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?]
at net.minecraft.world.level.ServerLevelAccessor.addAllEntities(ServerLevelAccessor.java:16) ~[app:?]
at net.minecraft.world.level.NaturalSpawner.spawnCategoryForPosition(NaturalSpawner.java:310) ~[app:?]
at net.minecraft.world.level.NaturalSpawner.spawnCategoryForChunk(NaturalSpawner.java:227) ~[app:?]
at net.minecraft.world.level.NaturalSpawner.spawnForChunk(NaturalSpawner.java:185) ~[app:?]
at net.minecraft.server.level.ServerChunkCache.tickChunks(ServerChunkCache.java:1046) ~[app:?]
at net.minecraft.server.level.ServerChunkCache.tick(ServerChunkCache.java:935) ~[app:?]
at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:756) ~[app:?]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1652) ~[patched_1.17.1.jar:git-Purpur-1428]
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:528) ~[patched_1.17.1.jar:git-Purpur-1428]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1507) ~[patched_1.17.1.jar:git-Purpur-1428]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1300) ~[patched_1.17.1.jar:git-Purpur-1428]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:322) ~[patched_1.17.1.jar:git-Purpur-1428]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]
Same error, but on version 1.17.1: https://github.com/Zrips/MobFarmManager/issues/89 1.17.1: