Board Thread:LotR Mod Technical Support/@comment-2A00:23C5:DB98:DF00:CDCB:9BD0:86C4:E3C3-20190330202845/@comment-26410366-20190331133636

Try pressing an arrow key or WASD. That usually fixes stuff like that for me.

Find out which mods interfear by taking them out and launching the world. When it stops crashing, you've taken out the mod causing problems.