360p

So, I just won a copyright claim today. I uploaded a video about 15 days ago and got a copyright strike because of it. I disuputed the claim, filed a counter-notification and now the video is back up. But there's one problem... The video is stuck at 360p! It was 1080p when I first uploaded it...

When I render a video I set it to 1080p. And the mp4. file is the quality I asked for but if I upload that mp4. file to youtube it's set to 360p although on my pc the file is still high quality. This happened to my last 5 videos. Can someone please help me because now it seams that I record and...