Thanks for reaching out. What device are you using? To confirm, was this an online or offline playlist? Also, have you tried checking on a different device if you're able to access it? Let us know.
@TeamYouTube this morning I can’t find my playlist in my library which I have built over the last year - what happened?
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.