Board Thread:LotR Mod Technical Support/@comment-108.35.168.58-20170424031130/@comment-25330335-20170424034046

The log does indicate that he's running on OSX...

The stacktrace doesn't give me a whole lot of info, however I remember that a few crashes looked like this when the NEI addon for the mod was installed but not updated. Have you updated that mod in a while?