iMovie asking for Camera roll and Music permission which are already permitted

I’m using iMovie, but it’s giving me trouble. It says I need permission for the camera roll and music, but I’ve already granted full access to the camera roll. However, it still asks me to allow access to the music, but there are no options or steps to do so. I’ve tried pressing continue, but nothing happens. Even though my internet connection is good, the app lags, and the screen stays the same. It won’t let me use iMovie at all.

[Re-Titled by Moderator]