Following count suddenly shows 0 and likes won't stay

Hi, I'm having a weird issue with my TikTok account.

My profile picture and username are correct, and I can log in normally. However, my Following count suddenly shows 0 even though I was following several people before.

Another thing is that I can press Like on a video, but after the first one, the likes don't seem to stay.

I can still browse videos and use the account normally otherwise. Following new accounts seems to work.

Has anyone experienced this before? Did it fix itself, or is there something I should check?