Interface bp only works after playing an animation?

Hi folks… I got a controller that is child from another to control my char. The first controller I m using for store save variables. Got Items and npc working with a BPI_user_Action; Everything is ok from 4.7 when I begin to 4.11, then I m trying to update my project to 4.13 but my interfaces has stop working… and work only after I play an animation from char…!!! Its only works after I play an animation to get item with the char, after this I can access the interface and works…!! Can someone help ?