Problem with BPI

Hello everyone, I have an issue here and i hope you would be able to help me.
I’m basically trying to make a door open automatically as soon as i pick up a certain rifle.
This is what i made in the character blueprint, the BPI, and the door blueprint.
So the problem is, the door just doesn’t open. Seems like the message isn’t sent successfully from the character BP to the door BP.
I also noticed that the BPI message doesn’t show in the right-click menu unless i uncheck the context menu button.
Hope any one could help me with it cuz it’s driving me crazy haha… Thank you everyone.!