Infinite Loop bug...no clue

I just passed the blade trap only place there is from there is an elevator back to level one...going back in the same thing happens again same boss same cut scenes and everything.
Am i doing something wrong?
This is getting to place called "Area above the machines" I did the blade trap thing twice so...
Am i doing something wrong?
This is getting to place called "Area above the machines" I did the blade trap thing twice so...