I have attempted the rare Public Event 3 times and each time my game crashes (PS5). I've noticed that it always crashes at the end of the event when you have to fight 3 large Vex bosses at the same time. But it has only affected me as during my 1st attempt i was with a friend and their game didn't crash while mine did. I hope this helps in fixing this, Im sure im not alone on having lost an Exotic drop.