---- Minecraft Crash Report ---- // This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~] Time: 7/25/18 10:15 PM Description: Exception ticking world entities java.lang.ArrayIndexOutOfBoundsException: -1 at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.fixPointers(ObjectLinkedOpenHashSet.java:851) at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.shiftKeys(ObjectLinkedOpenHashSet.java:479) at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.removeEntry(ObjectLinkedOpenHashSet.java:486) at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.rem(ObjectLinkedOpenHashSet.java:511) at it.unimi.dsi.fastutil.objects.AbstractObjectCollection.remove(AbstractObjectCollection.java:145) at it.unimi.dsi.fastutil.objects.AbstractObjectCollection.removeAll(AbstractObjectCollection.java:210) at axu.l(SourceFile:1068) at tc.l(SourceFile:493) at net.minecraft.server.MinecraftServer.b(SourceFile:736) at net.minecraft.server.MinecraftServer.a(SourceFile:661) at dfz.a(SourceFile:158) at net.minecraft.server.MinecraftServer.run(SourceFile:564) 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 it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.fixPointers(ObjectLinkedOpenHashSet.java:851) at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.shiftKeys(ObjectLinkedOpenHashSet.java:479) at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.removeEntry(ObjectLinkedOpenHashSet.java:486) at it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet.rem(ObjectLinkedOpenHashSet.java:511) at it.unimi.dsi.fastutil.objects.AbstractObjectCollection.remove(AbstractObjectCollection.java:145) at it.unimi.dsi.fastutil.objects.AbstractObjectCollection.removeAll(AbstractObjectCollection.java:210) at axu.l(SourceFile:1068) at tc.l(SourceFile:493) -- Affected level -- Details: Level name: Minecraft, Duh All players: 1 total; [te['RacinanteOpus'/687, l='Minecraft, Duh', x=-65.65, y=72.00, z=672.30]] Chunk stats: ServerChunkCache: 1496 Drop: 0 Level seed: -3945189064874723437 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: {} Level spawn location: World: (149,63,133), Chunk: (at 5,3,5 in 9,8; contains blocks 144,0,128 to 159,255,143), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 895799 game time, 1269993 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 120090 (now: false), thunder time: 146709 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true Stacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:736) at net.minecraft.server.MinecraftServer.a(SourceFile:661) at dfz.a(SourceFile:158) at net.minecraft.server.MinecraftServer.run(SourceFile:564) at java.lang.Thread.run(Thread.java:745) -- System Details -- Details: Minecraft Version: 18w30a Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 953638752 bytes (909 MB) / 1723887616 bytes (1644 MB) up to 8482586624 bytes (8089 MB) JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx8G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn1G Profiler Position: N/A (disabled) Player Count: 1 / 8; [te['RacinanteOpus'/687, l='Minecraft, Duh', x=-65.65, y=72.00, z=672.30]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.