Rifle Animation montage don't work

Hello everyone,
I am trying to make a reloading system for my rifle, but while the animation of the arm that takes the loader and puts it in place, the assembly of the charger of the rifle meanwhile is not played while the variables are valid. I do not understand,
I put the slot in the animationBP of my character.
I contact you to see if you have an idea to help me.

link text
link text

Animation blueprint don’t resolve my problem

up please

up please, i need you

non mais sérieux, je suis sur le forum officiel UE4 et tous le monde s’en fou de mon problème, super merci les gars

Du coup j’ai le même probème, tu as trouvé la solution ? x)