Null pointer Exeption -- Ticking block entity -- ticking tile.bedrock

[ultrasn0w]

Hey there, My Minecraft sometimes crashes (once every 3 or 4 hours) and the log spits out this: http://pastebin.com/RRKAye32 A Chunkloader is indeed placed on the Server, however the crash is clientside and far away from my position.

Greetings ultrasn0w