Apple Music playlists and songs not showing after library sync on iPhone 16

my apple music isn’t working. i did sync my library. but when i did. all of the playlists that i made. and all of the songs ive added to my library, aren’t showing up at all.

[Re-Titled by Moderator]

Original Title: the playlists and songs that i added to my library isn’t showing up in my apple music.