Animation issues

[Mandalorian]

So i am making animations in blender currently, every works well except the hands seem to not animate, stretching horribly.Iv'e tried a few different techniques but none seem to work, is this a common problem or something to do with blender?

[Jolly]

So i am making animations in blender currently, every works well except the hands seem to not animate, stretching horribly.Iv'e tried a few different techniques but none seem to work, is this a common problem or something to do with blender?

Odd, I know nothing about modding lol but I will give you my opinion what it may be, even it is might be relevant. Looks like you moved the model into a position it cannot go into with the Jedi Academy skeleton or something, maby try something other than blender or something, Have you tried the animation in game yet? even though this may be no help at all, I tried  

[Mandalorian]

I think it may be my fault.I didnt use the base pose as the first frame.