[16:39:36] [Server thread/INFO]: BastiJava issued server command: /is accept
[16:39:36] [Server thread/INFO]: [ASkyBlock] BastiJava's island will be deleted because they joined a party.
[16:39:36] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'is' in plugin ASkyBlock v2.9.5
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at org.bukkit.craftbukkit.v1_8_R2.CraftServer.dispatchCommand(CraftServer.java:646) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.PlayerConnection.handleCommand(PlayerConnection.java:1133) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.PlayerConnection.a(PlayerConnection.java:968) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.PacketPlayInChat.a(PacketPlayInChat.java:45) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.PacketPlayInChat.a(PacketPlayInChat.java:1) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.PlayerConnectionUtils$1.run(SourceFile:13) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_51]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_51]
	at net.minecraft.server.v1_8_R2.SystemUtils.a(SourceFile:60) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:710) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: java.lang.NullPointerException
	at net.minecraft.server.v1_8_R2.Chunk.addEntities(Chunk.java:814) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at org.bukkit.craftbukkit.v1_8_R2.CraftWorld.chunkLoadPostProcess(CraftWorld.java:271) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at org.bukkit.craftbukkit.v1_8_R2.CraftWorld.regenerateChunk(CraftWorld.java:215) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at com.wasteofplastic.askyblock.DeleteIslandChunk.<init>(DeleteIslandChunk.java:90) ~[?:?]
	at com.wasteofplastic.askyblock.ASkyBlock.deletePlayerIsland(ASkyBlock.java:573) ~[?:?]
	at com.wasteofplastic.askyblock.commands.IslandCmd.onCommand(IslandCmd.java:1620) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	... 15 more
[16:39:42] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.server.v1_8_R2.ReportedException: Exception ticking world
	at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:776) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: java.lang.NullPointerException
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at com.google.common.collect.Lists.newArrayList(Lists.java:127) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.Chunk.removeEntities(Chunk.java:851) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:361) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.WorldServer.doTick(WorldServer.java:233) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:765) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	... 4 more
[16:39:42] [Server thread/ERROR]: 	Cause of unexpected exception was
java.lang.NullPointerException
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at com.google.common.collect.Lists.newArrayList(Lists.java:127) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.Chunk.removeEntities(Chunk.java:851) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:361) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.WorldServer.doTick(WorldServer.java:233) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:765) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) ~[Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [Skyblock.jar:git-Spigot-0b997a9-30d751b]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
[16:39:42] [Server thread/ERROR]: This crash report has been saved to: /home/minecraft/Skyblock/./crash-reports/crash-2015-08-28_16.39.42-server.txt