i play ftb (Revelations) but once in a while miencraft stops responding and the launcher console says :
[15:51:54] [JM-task-4/ERROR] [journeymap]: CaveRenderer error at x,vSlice,z = 12,3,14 : java.lang.NullPointerException
[15:51:54] [JM-task-4/ERROR] [journeymap]: Couldn't push Stratum into...