Broke Variantmesh

[viniwinz]

So I made this unit of Demigryphs + Silver Helms (Empire Demigryphs + High Elf cav riders).
and this huge glitch happens when I change the unit(rider) variantmesh into elves (Wood/Dark/High). I'm guessing the mesh breaks when I try to fit into that certain mount/rider animation?? does anyone know how to fix this?

Here it is

[possotop]

Just add proper animation to your faction in culture_to_battle_animations