Here is the output in my openmw.log for the moths:
and for the flies:warning line 46, column 6 (endif)
endif without matching if/elseif
Unhandled controller NiPathController on node 4 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 38 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 69 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 98 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 120 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 148 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 176 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 195 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 213 in meshes/r0/e/moths_lntrn_de_01.nif
Unhandled controller NiPathController on node 246 in meshes/r0/e/moths_lntrn_de_01.nif
Nocturnal Moths:Unhandled controller NiPathController on node 4 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 17 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 26 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 35 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 44 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 53 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 62 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 71 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 80 in meshes/r0/f/flies.nif
Unhandled controller NiPathController on node 89 in meshes/r0/f/flies.nif
http://www.nexusmods.com/morrowind/mods/44148/?
Flies:
http://www.nexusmods.com/morrowind/mods/43481/?
(I made the same thread for those mods because the problem is same in both, it seems like the engine can't render those nif).
If I did something wrong in post formatting, please do tell.
Have a nice day, and thank you all for making this great engine!