[13:56:47 ERROR]: Encountered an unexpected exception net.minecraft.server.v1_8_R1.ReportedException: Loading NBT data at net.minecraft.server.v1_8_R1.NBTTagCompound.a(SourceFile:386) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTTagCompound.load(SourceFile:48) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTTagCompound.a(SourceFile:380) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTTagCompound.load(SourceFile:48) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTCompressedStreamTools.a(NBTCompressedStreamTools.java:92) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTCompressedStreamTools.a(NBTCompressedStreamTools.java:57) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTCompressedStreamTools.a(NBTCompressedStreamTools.java:46) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.ChunkRegionLoader.loadChunk(ChunkRegionLoader.java:83) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.craftbukkit.v1_8_R1.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:19) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.craftbukkit.v1_8_R1.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:1) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.craftbukkit.v1_8_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:336) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.craftbukkit.v1_8_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.craftbukkit.v1_8_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:16) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:113) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:95) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.MinecraftServer.k(MinecraftServer.java:361) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.MinecraftServer.a(MinecraftServer.java:325) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:211) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:505) [spigot.jar:git-Spigot-c3c767f-33d5de3] at java.lang.Thread.run(Unknown Source) [?:1.8.0_131] Caused by: java.io.UTFDataFormatException: malformed input around byte 46 at java.io.DataInputStream.readUTF(Unknown Source) ~[?:1.8.0_131] at java.io.DataInputStream.readUTF(Unknown Source) ~[?:1.8.0_131] at net.minecraft.server.v1_8_R1.NBTTagCompound.b(SourceFile:373) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTTagCompound.load(SourceFile:45) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTTagList.load(SourceFile:50) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.NBTTagCompound.a(SourceFile:380) ~[spigot.jar:git-Spigot-c3c767f-33d5de3] ... 19 more >Press any key to continue . . .
@XD_ItzCreeper_XD An NBT tag for your world is broken, most likely meaning that the world file has been corrupted. Try renaming the world file and see if this error message goes away.