When adding the animations my character get deformed

i still have this problem,i googled it for a lot of time.But no results…
So now i’m gonna ask here if someone can help me to fix my problem.
So,Characters and animations are both downloaded from mixamo.com.
i downloaded 3 characters and some animations…both 3 give me same error.
the character that they used to do those animations is the swat;so i tried with it,but it get deformed when i add the animations…what am i doing wrong?is there something that i’m missing?
Thanks for reading…
Waiting for an answer…