Board Thread:LotR Mod Technical Support/@comment-75.110.43.167-20181108154232/@comment-32352572-20181108155944

I think the very first sentence describes your problem. "I have a custom modpack with over 300 mods." Some of those mods are very likely incompatible with LOTR Mod. I have a modpack of 60ish mods and that took a month to make work. So good luck!