Code: ---- Minecraft Crash Report ---- // Would you like a cupcake? Time: 12/17/16 2:06 PM Description: Exception ticking world java.util.NoSuchElementException at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap$MapIterator.nextEntry(Long2ObjectOpenHashMap.java:500) at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap$ValueIterator.next(Long2ObjectOpenHashMap.java:706) at net.minecraft.server.v1_10_R1.StructureGenerator.b(StructureGenerator.java:129) at net.minecraft.server.v1_10_R1.ChunkProviderGenerate.getMobsFor(ChunkProviderGenerate.java:417) at org.bukkit.craftbukkit.v1_10_R1.generator.NormalChunkGenerator.getMobsFor(NormalChunkGenerator.java:51) at net.minecraft.server.v1_10_R1.ChunkProviderServer.a(ChunkProviderServer.java:315) at net.minecraft.server.v1_10_R1.WorldServer.a(WorldServer.java:263) at net.minecraft.server.v1_10_R1.SpawnerCreature.a(SpawnerCreature.java:141) at net.minecraft.server.v1_10_R1.WorldServer.doTick(WorldServer.java:227) at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732) at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:361) at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:643) at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:547) 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.longs.Long2ObjectOpenHashMap$MapIterator.nextEntry(Long2ObjectOpenHashMap.java:500) at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap$ValueIterator.next(Long2ObjectOpenHashMap.java:706) at net.minecraft.server.v1_10_R1.StructureGenerator.b(StructureGenerator.java:129) at net.minecraft.server.v1_10_R1.ChunkProviderGenerate.getMobsFor(ChunkProviderGenerate.java:417) at org.bukkit.craftbukkit.v1_10_R1.generator.NormalChunkGenerator.getMobsFor(NormalChunkGenerator.java:51) at net.minecraft.server.v1_10_R1.ChunkProviderServer.a(ChunkProviderServer.java:315) at net.minecraft.server.v1_10_R1.WorldServer.a(WorldServer.java:263) at net.minecraft.server.v1_10_R1.SpawnerCreature.a(SpawnerCreature.java:141) at net.minecraft.server.v1_10_R1.WorldServer.doTick(WorldServer.java:227) -- Affected level -- Details: Level name: world All players: 1 total; [EntityPlayer['mukulibukuli'/258, l='world', x=-107.73, y=85.00, z=53.69](mukulibukuli at -107.72728680187116,85.0,53.68885793994488)] Chunk stats: ServerChunkCache: 441 Drop: 0 Level seed: 7554438845074602151 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (-108,85,53), Chunk: (at 4,5,5 in -7,3; contains blocks -112,0,48 to -97,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511) Level time: 168543230 game time, 3026101 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 8964 (now: false), thunder time: 56248 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false Stacktrace: at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732) at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:361) at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:643) at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:547) at java.lang.Thread.run(Thread.java:745) Please help