Cannot save manequin Pose

I am very new to UE4.
I’m stuck on re targeting animations.
I think I’ve found the problem.
I need to match the Poses of the two mannequins.
I have one in T pose one with the arms down.
I adjusted the one with it’s arms lowered to Tpose.
I made a pose file, So I can pull up the pose on the skeleton.
I hit update and save all.
It appears to work.
However when I go back into the skeleton asset the changes are not saved.
I know there is really simple that I’m missing but I need help.

Thank you everyone in advance.


P.S. I’m about to go to bed and won’t be able to troubleshoot until tomorrow night.