This is a duplicate of a post on Udemy too, just an fyi.
Hi, I am at Section 3, Lecture 68 and have a problem with the multiple doors opening up, right now only the last created or set up door will open, so if I have door 1 and door 2, only door 2 will trigger. If I delete door 1 and duplicate door 2 into door 3, then only door 3 will open up, it’s like the trigger only wants to trigger one time on one object. I have the trigger plugged in as Pressure Plate correctly in both instances of the doors, but to no avail. Any idea on where to look to correct this?