Try installing one of these two applications, both are better than Youtube, because: they do not bring advertising, you can listen and / or download audio and / or video, and also, they are much lighter than the official app.
ยท NewPipe or Skytube to install one, the other or both, you will have to first get the F-Droid store, having to inexorably enable 'Unknown Sources' from Settings.
Just as an application fails is not a good symptom, sooner or later you will have to find out the origin of the problem ...