---- Minecraft Crash Report ---- // My bad. Time: 02/11/20 14:26 Description: Ticking entity java.lang.IllegalStateException: POI data mismatch: already registered at fx{x=1071, y=15, z=-465} at azn.a(SourceFile:82) at azn$$Lambda$4265/675033205.accept(Unknown Source) at com.google.common.collect.ImmutableList.forEach(ImmutableList.java:408) at azn.(SourceFile:53) at azn$$Lambda$4261/1857458940.apply(Unknown Source) at com.mojang.serialization.DataResult$Instance.ap3(DataResult.java:337) at com.mojang.serialization.codecs.RecordCodecBuilder$Instance$5.decode(RecordCodecBuilder.java:321) at com.mojang.serialization.codecs.RecordCodecBuilder$2.decode(RecordCodecBuilder.java:107) at com.mojang.serialization.MapDecoder.lambda$compressedDecode$0(MapDecoder.java:52) at com.mojang.serialization.MapDecoder$$Lambda$3123/1289396.apply(Unknown Source) at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) at com.mojang.serialization.DataResult$$Lambda$652/291054778.apply(Unknown Source) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) at com.mojang.serialization.MapDecoder.compressedDecode(MapDecoder.java:52) at com.mojang.serialization.MapCodec$MapCodecCodec.decode(MapCodec.java:91) at com.mojang.serialization.Codec$4.decode(Codec.java:217) at com.mojang.serialization.Decoder.decode(Decoder.java:22) at com.mojang.serialization.Decoder.parse(Decoder.java:26) at cgy.a(SourceFile:131) at cgy$$Lambda$4251/468690307.apply(Unknown Source) at java.util.Optional.flatMap(Optional.java:241) at cgy.a(SourceFile:130) at cgy.b(SourceFile:103) at cgy.d(SourceFile:79) at azl.a(SourceFile:87) at azl$$Lambda$4568/803108213.apply(Unknown Source) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.stream.IntPipeline$4$1.accept(IntPipeline.java:250) at java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:110) at java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:693) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270) at bra$1.tryAdvance(SourceFile:168) at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126) at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:529) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:516) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at arm.a(SourceFile:106) at arm.a(SourceFile:30) at ars.e(SourceFile:49) at arc.d(SourceFile:506) at arc.a(SourceFile:465) at bfg.N(SourceFile:272) at aqk.dO(SourceFile:744) at aqj.k(SourceFile:2508) at aqk.k(SourceFile:542) at apv.k(SourceFile:127) at aqj.j(SourceFile:2254) at aqk.j(SourceFile:342) at bfg.j(SourceFile:313) at aag.a(SourceFile:616) at aag$$Lambda$4426/1500701075.accept(Unknown Source) at bru.a(SourceFile:561) at aag.a(SourceFile:406) at net.minecraft.server.MinecraftServer.b(SourceFile:868) at net.minecraft.server.MinecraftServer.a(SourceFile:808) at emy.a(SourceFile:92) at net.minecraft.server.MinecraftServer.w(SourceFile:667) at net.minecraft.server.MinecraftServer.a(SourceFile:254) at net.minecraft.server.MinecraftServer$$Lambda$4127/1105431945.run(Unknown Source) at java.lang.Thread.run(Thread.java:745) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at azn.a(SourceFile:82) at azn$$Lambda$4265/675033205.accept(Unknown Source) at com.google.common.collect.ImmutableList.forEach(ImmutableList.java:408) at azn.(SourceFile:53) at azn$$Lambda$4261/1857458940.apply(Unknown Source) at com.mojang.serialization.DataResult$Instance.ap3(DataResult.java:337) at com.mojang.serialization.codecs.RecordCodecBuilder$Instance$5.decode(RecordCodecBuilder.java:321) at com.mojang.serialization.codecs.RecordCodecBuilder$2.decode(RecordCodecBuilder.java:107) at com.mojang.serialization.MapDecoder.lambda$compressedDecode$0(MapDecoder.java:52) at com.mojang.serialization.MapDecoder$$Lambda$3123/1289396.apply(Unknown Source) at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) at com.mojang.serialization.DataResult$$Lambda$652/291054778.apply(Unknown Source) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) at com.mojang.serialization.MapDecoder.compressedDecode(MapDecoder.java:52) at com.mojang.serialization.MapCodec$MapCodecCodec.decode(MapCodec.java:91) at com.mojang.serialization.Codec$4.decode(Codec.java:217) at com.mojang.serialization.Decoder.decode(Decoder.java:22) at com.mojang.serialization.Decoder.parse(Decoder.java:26) at cgy.a(SourceFile:131) at cgy$$Lambda$4251/468690307.apply(Unknown Source) at java.util.Optional.flatMap(Optional.java:241) at cgy.a(SourceFile:130) at cgy.b(SourceFile:103) at cgy.d(SourceFile:79) at azl.a(SourceFile:87) at azl$$Lambda$4568/803108213.apply(Unknown Source) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.stream.IntPipeline$4$1.accept(IntPipeline.java:250) at java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:110) at java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:693) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270) at bra$1.tryAdvance(SourceFile:168) at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126) at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:529) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:516) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at arm.a(SourceFile:106) at arm.a(SourceFile:30) at ars.e(SourceFile:49) at arc.d(SourceFile:506) at arc.a(SourceFile:465) at bfg.N(SourceFile:272) at aqk.dO(SourceFile:744) at aqj.k(SourceFile:2508) at aqk.k(SourceFile:542) at apv.k(SourceFile:127) at aqj.j(SourceFile:2254) at aqk.j(SourceFile:342) at bfg.j(SourceFile:313) at aag.a(SourceFile:616) at aag$$Lambda$4426/1500701075.accept(Unknown Source) -- Entity being ticked -- Details: Entity Type: minecraft:villager (bfg) Entity ID: 182 Entity Name: Nitwit Entity's Exact location: 1067.50, 4.00, -439.95 Entity's Block location: World: (1067,4,-440), Chunk: (at 11,0,8 in 66,-28; contains blocks 1056,0,-448 to 1071,255,-433), Region: (2,-1; contains chunks 64,-32 to 95,-1, blocks 1024,0,-512 to 1535,255,-1) Entity's Momentum: 0.00, -0.08, -0.07 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace: at bru.a(SourceFile:561) at aag.a(SourceFile:406) -- Affected level -- Details: All players: 1 total; [aah['Jibuban'/81, l='ServerLevel[Villager Theme Park]', x=894.07, y=11.68, z=-380.08]] Chunk stats: ServerChunkCache: 3731 Level dimension: minecraft:overworld Level spawn location: World: (612,61,-492), Chunk: (at 4,3,4 in 38,-31; contains blocks 608,0,-496 to 623,255,-481), Region: (1,-1; contains chunks 32,-32 to 63,-1, blocks 512,0,-512 to 1023,255,-1) Level time: 1540644 game time, 7816 day time Level name: Villager Theme Park Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false) Known server brands: vanilla Level was modded: false Level storage version: 0x04ABD - Anvil Stacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:868) at net.minecraft.server.MinecraftServer.a(SourceFile:808) at emy.a(SourceFile:92) at net.minecraft.server.MinecraftServer.w(SourceFile:667) at net.minecraft.server.MinecraftServer.a(SourceFile:254) at net.minecraft.server.MinecraftServer$$Lambda$4127/1105431945.run(Unknown Source) at java.lang.Thread.run(Thread.java:745) -- System Details -- Details: Minecraft Version: 1.16.3 Minecraft Version ID: 1.16.3 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1278663600 bytes (1219 MB) / 2046820352 bytes (1952 MB) up to 2147483648 bytes (2048 MB) CPUs: 8 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 1 / 8; [aah['Jibuban'/81, l='ServerLevel[Villager Theme Park]', x=894.07, y=11.68, z=-380.08]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.