Hey! I was playing my FTB Direwolf20 world just now, and my mystcraft linking book wouldn't work. The square in the GUI is just a black square, no different colors anymore. So I placed down the original descriptive book to see if that worked, but it didn't. It just crashed my minecraft. The error log is to big to put! So anybody got any ideas? The error says it is a ticking memory error if that helps