Hi Today i want to add a 4th world to my Server and Multi-Verse tells me this: Code: 18:04:06 [INFO] [Multiverse-Core] Loading World & Settings - 'newworld' - Env: NORMAL - Type: null 18:04:06 [SEVERE] [Multiverse-Core] The world 'newworld' could NOT be loaded because it contains errors! 18:04:06 [SEVERE] [Multiverse-Core] Try using Chukster to repair your world! 'newworld' 18:04:06 [SEVERE] [Multiverse-Core] http://forums.bukkit.org/threads/admin-chunkster.8186/ after that i updated Multi-Verse and wait 3hours.And looked in my console i see this and my server is offline: Code: 23:00:26 [SCHWERWIEGEND] java.lang.NullPointerException 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.Entity.d(Entity.java:1052) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.WorldData.a(WorldData.java:127) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.WorldNBTStorage.saveWorldData(WorldNBTStorage.java:112) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.ServerNBTManager.saveWorldData(SourceFile:42) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.World.A(World.java:262) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.World.save(World.java:251) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.World.doTick(World.java:1750) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459) 23:00:26 [SCHWERWIEGEND] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) 23:00:26 [SCHWERWIEGEND] Unexpected exception java.lang.NullPointerException at net.minecraft.server.Entity.d(Entity.java:1052) at net.minecraft.server.WorldData.a(WorldData.java:127) at net.minecraft.server.WorldNBTStorage.saveWorldData(WorldNBTStorage.java:112) at net.minecraft.server.ServerNBTManager.saveWorldData(SourceFile:42) at net.minecraft.server.World.A(World.java:262) at net.minecraft.server.World.save(World.java:251) at net.minecraft.server.World.doTick(World.java:1750) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) Any solutins? I tried Chunkster and Region Fixer but it dosen't helps