Stuck on nexus , vault hunter mode

I am level 50 in borderlands pre sequel - due to a software error which gearbox can’t resolve i am looking for someone on PS4 who i can play co-op with to get me past that door to the motherless board . the error occurred when i crossed thru the door and saved the game , the next time i played the door is closed and no way to open , thanks

Post in the co-op section, or Gamefaqs. This is the tech support section.