Portals

After the Winter Patch, when I try to enter the Boss Rush portal, I'm completely stuck at "all is ready" until I forcibly close the game.Tried to re-enter the game, opened a new portal and convalidate files to no avail

I've been unable to enter boss rush on my offline character. I put the card in the portal, and it doesn't give me any options to reset before opening a portal. It just says "reopen portal", so that's what I do. I go through the portal and everythi...