Our server has a problem with traveling. when traveling whe get the message internal error and can't join back does someone know a solution
Error message:
A detailed walkthrough of the error, its code path and all known details is as follows:
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-- Head --
Stacktrace:
at net.minecraft.world.gen.structure.MapGenStructure.func_151538_a(MapGenStructure.java:48)
-- Feature being prepared --
Details:
Is feature chunk: ~~ERROR~~ NullPointerException: null
Chunk location: -1855,-1935
Chunk pos hash: -8306466752319
Structure type: lotr.common.world.mapgen.dwarvenmine.LOTRMapGenDwarvenMine
Stacktrace:
at net.minecraft.world.gen.structure.MapGenStructure.func_151538_a(MapGenStructure.java:48)
at net.minecraft.world.gen.MapGenBase.func_151539_a(SourceFile:30)
at lotr.common.world.LOTRChunkProvider.func_82695_e(LOTRChunkProvider.java:753)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:53)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:15)
at net.minecraftforge.common.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:189)
at net.minecraftforge.common.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:354)
at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:885)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:431)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:809)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:669)
at java.lang.Thread.run(Thread.java:748)