In that post http://forum.feed-the-beast.com/threads/solved-ftb-monster-other-modpack-closing-on-loading-world-suddenly-in-game.39128/
RealSketch said he found a video giving the solution for the problem, have you seen that video? If yes can you tell me what was the solution?
I have the exact same problem.
RealSketch said he found a video giving the solution for the problem, have you seen that video? If yes can you tell me what was the solution?
I have the exact same problem.