Before you call anyone, look at three things. First, the rollers - if they're worn, chipped, or the door rattles more than it used to, they're letting the panel wander sideways inside the track. Second, the brackets holding the track to the frame - on an older Pasadena house, check whether they're still snug against the wood or whether the bolt holes have worn oval, which is common once hardware passes the decades mark. Third, look at the track itself for a bend or a spot where the rails aren't quite parallel, usually from a bumped car or a ladder leaned against it.
One thing we won't do is tell you to force the door back onto the track yourself if a cable or spring is involved - that's not a DIY fix, and pushing on a door under spring tension is how people get hurt. If the door is off track and you hear a snapped or popped sound, or one side hangs lower than the other, leave it alone and get it looked at before you touch the opener button again.