Same here last night, constant crashes by all group members on vet. Also, the final boss encounter seems bugged, we were dying to the 1/3 floor mechanic even when obviously not standing in or near it, this happened so many time along with the game completely closing on us we had to give up. I felt like the game thought we were standing in places we weren't due to lag or something. And yes, we have completed this dungeon on vet many times before, so we are well aware of all the mechanics,.