Again, just use the trigger above. Changing it to get the angle between the same point won't help, it is just better to send them backwards from the angle they're facing like I did above.
I don't have time to work on your map for you right now, sorry. And I don't really want to spend my time debugging, anyway, you should seek the help of someone else.
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.