Notice the yellow pin on target?
Unless you’re an interface black belt, you probably don’t need that.
Type the name of your interface in the node search again, and notice there are several versions.
The interface call should have the little envelope on it, and the event should have the blueprint arrows on the node.
99.99% of the time, when you call an interface, you’ll need an actor reference. If you don’t have that, you’re calling the interface on the blueprint you’re already in. Like I say, probably not what you’re aiming for… 