now i gotta play the whole thing again

I'm just a bit curious about that bc I've been thinking about it and tried it a few times

I'm in Chapter 3 and, having reached level 14, I started searching for the hearts. After finding four, the Projectionist spotted me and started chasing me. I locked myself in one of the hiding places, but the Projectionist crashed right in front of the door, continuing to run aimlessly and simultaneously preventing me from leaving. The only solution was to exit and restart the save, but as soon as I did that, the game marked it as if I had already collected five hearts, but at the same time, it wouldn't a...

Recently I played Bendy (chapter 3) and when i rejoined to continue my save the elevator didn't work for some reason (the elevator buttons,door wouldn't open blah blah blah) is there any way to fix it?

For some reason the achievement called "bathe in violence" is glitched for me like I survive the hole fight against the ink monsters and dose not pop up please help.