Close (First-person Model), repeated visual content appears.

mc version 1.16.5, not sure if there are problems with other mc versions.

on normal

off
Repeated the default mc first person Carry On image.

Maybe the Epic Fight was for that reason as well.

1.16 is entirely unsupported, Epic Fight too. And not 100% sure if it was Carry On(the mod where you can't open the inventory while holding a mob), but it rendered the entire thing so badly, that it won't be possible to get working.