Board Thread:Bug Reports/@comment-140.103.56.79-20170430170536/@comment-25330335-20170501151052

Well, judging by the stacktrace on that crash, it's definitely and issue with communication between LOTR and Thaumcraft. The actual error was caused by Thaumcraft, but the next class in the stacktrace is a LOTR one. Mevans would have to take a look at that.