I cant get into kingsmarch i just get stuck on the bridge

I play with my dad on coop every time we get to kingsmarch i cant enter player 1 just gets stuck on the bridge with a invisible wall blocking me out. its been like this since the 4th act came out ive made 3 reports. if i try to take a portal we just look back were you start out in act 4 and the portal disappears. if i try to just the waypoint same thing i just get teleported back to the starting point in act 4. please help i really want to play the game with my dad again without just making new characters repeatedly.

Bug Report ID: #2111294862

Someone messaged me on how to fix this, its a known bug but still it cant be fixed is really disappointing.

This has just happened to me. Is there a fix or a way to get around it? The campaign seems to be bricked.