Library not visible in web

I have a large collection of tracks and points, as well as a Gold Premium Plan. Previously, the entire library was visible both in the app (Android) and on the web.

For several weeks now, I have been unable to see my library in the web planner. Everything works as before in the app.

What I have tried so far:

- Logging out and back in (with Google Account)

- Different browsers (Firefox, Chrome)

- Different devices (PC, notebook)