Cannot access Secret Empire Forever master, Chpt 3, level 1

NicoElFreako

I've been able to play through the rest of the act, but everyone I try to enter this level, I select my heroes, but begin, but then I get a "lost connection" box.

Eb0ny-O-M4w

Have you done the previous quests?
You need to do them in order before skipping to the next one