Do you have enough memory? Might either be your PC filling up or OBS having a memory leak which you couldn't do much about. I've had that in the past on my laptop and didn't fix it there either.
While YouTube doesn't want to say it and keeps avoiding the question they do hate FPS Videos. Remember it isn't humans but AI flagging your videos to demonetize them.
That helps out in more cases than I'd like it to. YouTube basically punishes channels for having accurate Tags and Titles there...
I mean you could try getting started with your Tags; The issue I was able to tell immediately was your Metadata:
...do I need to keep going?
It's not necessarily YouTube hating you just them wanting to keep advertisements away from anything War or Tragedy-related. You just have to live...
It isn't as far as I'm aware. It would help us help you out better and most importantly faster, however if you don't want to show it to us you can also send it to [email protected] in private.