---- Minecraft Crash Report ---- // Would you like a cupcake? Time: 10/24/18 2:37 PM Description: Exception generating new chunk java.util.concurrent.CompletionException: java.lang.ClassCastException: bcd cannot be cast to ben at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:604) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443) at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) Caused by: java.lang.ClassCastException: bcd cannot be cast to ben at ti.f(SourceFile:196) at bxb.a(SourceFile:507) at bxb.a(SourceFile:450) at bxh$j.a(SourceFile:1764) at bxc.a(SourceFile:62) at btl.a(SourceFile:78) at bvq.a(SourceFile:16) at bvq.a(SourceFile:13) at bpn.a(SourceFile:27) at ayu.a(SourceFile:504) at bop.a(SourceFile:183) at tr.a(SourceFile:12) at tq.a(SourceFile:35) at bnd.a(SourceFile:95) at tx.a(SourceFile:79) at tx.a(SourceFile:25) at acu$a.a(SourceFile:147) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602) ... 6 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at tc.a(SourceFile:159) -- Chunk to be generated -- Details: Location: 12,-17 Position hash: -73014444020 Generator: bop@2d47d91 Stacktrace: at tc.a(SourceFile:159) at tc.a(SourceFile:124) at axy.c(SourceFile:248) at bof.a(SourceFile:210) at bof.a(SourceFile:187) at td.b(SourceFile:673) at td.a(SourceFile:601) at net.minecraft.server.MinecraftServer.a(SourceFile:357) at dgh.a(SourceFile:86) at dgh.d(SourceFile:108) at net.minecraft.server.MinecraftServer.run(SourceFile:566) at java.lang.Thread.run(Thread.java:748) -- Affected level -- Details: Level name: Tall All players: 0 total; [] Chunk stats: ServerChunkCache: 734 Drop: 0 Level seed: -1780361681370191716 Level generator: ID 01 - flat, ver 0. Features enabled: true Level generator options: {biome:"minecraft:plains",layers:[{block:"minecraft:air",height:255s},{block:"minecraft:stone",height:1b}],structures:{village:{}}} Level spawn location: World: (-24,255,-136), Chunk: (at 8,15,8 in -2,-9; contains blocks -32,0,-144 to -17,255,-129), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1) Level time: 0 game time, 0 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true -- System Details -- Details: Minecraft Version: 1.13.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_162, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 148501008 bytes (141 MB) / 427286528 bytes (407 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump Profiler Position: N/A (disabled) Player Count: 0 / 8; [] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.