---- Minecraft Crash Report ---- // Oh - I know what I did wrong! Time: 17.06.18 19:21 Description: Ticking entity java.lang.ArrayIndexOutOfBoundsException: 1 at cej.f(SourceFile:74) at apf.k(SourceFile:69) at apf.j(SourceFile:64) at apf.c(SourceFile:25) at aoq.k(SourceFile:243) at aio.T_(SourceFile:1799) at aip.T_(SourceFile:278) at bbj.a(SourceFile:1250) at sn.a(SourceFile:584) at bbj.g(SourceFile:1226) at bbj.l(SourceFile:1108) at sn.l(SourceFile:500) at net.minecraft.server.MinecraftServer.w(SourceFile:701) at net.minecraft.server.MinecraftServer.v(SourceFile:626) at dir.v(SourceFile:156) at net.minecraft.server.MinecraftServer.run(SourceFile:531) 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 cej.f(SourceFile:74) at apf.k(SourceFile:69) at apf.j(SourceFile:64) at apf.c(SourceFile:25) at aoq.k(SourceFile:243) at aio.T_(SourceFile:1799) at aip.T_(SourceFile:278) at bbj.a(SourceFile:1250) at sn.a(SourceFile:584) at bbj.g(SourceFile:1226) -- Entity being ticked -- Details: Entity Type: minecraft:ender_dragon (aoq) Entity ID: 119 Entity Name: Ender Dragon Entity's Exact location: 3.16, 82.56, 30.60 Entity's Block location: World: (3,82,30), Chunk: (at 3,5,14 in 0,1; contains blocks 0,0,16 to 15,255,31), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Entity's Momentum: 0.08, -0.06, 1.05 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace: at bbj.l(SourceFile:1108) at sn.l(SourceFile:500) -- Affected level -- Details: Level name: 1.12.2 All players: 1 total; [sp['Miss_FireCream'/110, l='1.12.2', x=-0.61, y=43.09, z=5.64]] Chunk stats: ServerChunkCache: 752 Drop: 0 Level seed: 4004819676599956297 Level generator: ID 01 - flat, ver 0. Features enabled: true Level generator options: {"flat_world_options":"minecraft:bedrock,2*minecraft:dirt,minecraft:grass_block;1;village"} Level spawn location: World: (-1146,4,-39), Chunk: (at 6,0,9 in -72,-3; contains blocks -1152,0,-48 to -1137,255,-33), Region: (-3,-1; contains chunks -96,-32 to -65,-1, blocks -1536,0,-512 to -1025,255,-1) Level time: 155789 game time, 8858 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true Stacktrace: at net.minecraft.server.MinecraftServer.w(SourceFile:701) at net.minecraft.server.MinecraftServer.v(SourceFile:626) at dir.v(SourceFile:156) at net.minecraft.server.MinecraftServer.run(SourceFile:531) at java.lang.Thread.run(Thread.java:745) -- System Details -- Details: Minecraft Version: 1.13-pre2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 131744128 bytes (125 MB) / 385875968 bytes (368 MB) up to 1073741824 bytes (1024 MB) JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M Profiler Position: N/A (disabled) Player Count: 1 / 8; [sp['Miss_FireCream'/110, l='1.12.2', x=-0.61, y=43.09, z=5.64]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.