Board Thread:LotR Mod Technical Support/@comment-66.41.248.250-20160404203116/@comment-25330335-20160404205710

Yes. You have to re-install it. It's better than my fix the first time I had this problem: Delete the whole .minecraft accepting saves and a few other things and completely re-installing everything...

 SamwiseFilmore (Admin) (Fill My Mailbox)