And then the walls started to crumble even more, voices of people yelling as they hear the wall cracking.
"What have you done! You doomed us all! DOOMED US!" the voice say before the wall continued to crack, with multiple strange beings rushing to the wall, attempting to fix it... But how to fix the fourth wall? Well... with the materiel that has been used constantly for quick repairs...

Duct tape

That won't last... the end is soon to be :P