5.10 21:02:48 [server] INFO Attempted to place a tile entity (mffs.TileCamouflagedField@78969211) at -1656,67,1494
looks like a camflouge upgrade issue at coords -1656,67,1494
There was an identical problem on a server I play on. If i remember correctly it had to do with a plugin conflict. Can you post a log from the server? That would help quite a bit