Weapon switching and pickup system.HELP IM LOSING MY MIND

@SupportiveEntity , if you know of another way to go about a weapon system (preferably similar to halo’s) that would be greatly appreciated as starting over would probably be easier. Also if you did want a better look at the system I have (its not very good) here are links to the BPs.
BP in the Weapon Base
Weapon System (Broken, doesn’t work ATM) posted by anonymous | blueprintUE | PasteBin For Unreal Engine
and in the character’s BP
Weapon System (Broken, doesn’t work ATM) In Character BP posted by anonymous | blueprintUE | PasteBin For Unreal Engine