Hi everyone! I couldn't post in the Tekkit forum and i didn't knew why, so i hope it's okay that i post it hear. Yester day i found this error: Code: java.lang.StackOverflowError at net.minecraft.server.ChunkPosition.hashCode(SourceFile:30) at java.util.HashMap.get(Unknown Source) at net.minecraft.server.Chunk.e(Chunk.java:618) at net.minecraft.server.World.getTileEntity(World.java:1638) at net.minecraft.server.WorldServer.getTileEntity(WorldServer.java:45) at powercrystals.powerconverters.TileEntityWaterStrainer.fill(TileEntityWaterStrainer.java:40) at powercrystals.powerconverters.TileEntityWaterStrainer.fill(TileEntityWaterStrainer.java:44) at powercrystals.powerconverters.TileEntityWaterStrainer.fill(TileEntityWaterStrainer.java:44) And it keep saying "At powercrystals...." and so on, for 5 lines. The server was running but, no 1 could join. I tried to set whitelist 1 and trying to fixing the bug... The bug are not showing when i don't have white list on. So every time i set the server to public again, it says the error. Can any help me? Thanks in advance!