Okay, then you don’t need to be telling the door to look for an overlap, because the door isn’t deciding when it opens.
The door needs a function that makes it open,
and whatever is telling it to open needs to call that function.
So if the player uses E,
and the player is in range (or overlapping the doors area, or whatever criteria you want),
AND the door is not yet open,
THEN
trigger the open door function.
Again, try going into your First Person Character blueprint and placing some breakpoints. (Right Click, Toggle Breakpoint).
See how far into your graph it’s getting before it stops.