The reason this happens is you’ve put your action (E key/interact key) in those location/teleporter blueprints (which you generally shouldn’t, but whatever). You then open the “gate” triggers when the player enters/overlaps those zones, but you never actually CLOSE them. Therefore, every gate/teleporter is always active and teleporting you with E after you’ve reached it once. So the simplest solution would be to close the gates “On Actor End Overlap”, then it would work fine.
I would advise to think about making a simple interact system for your player character, though.