That's odd, have you tried deleting/editing the playlist using a different browser? Also, let us know if clearing the cache and cookies or using Incognito Mode helps!
Replying to @TeamYouTube @Piemations
I've had this same problem on multiple browsers and on multiple devices as well as clearing the cache and cookies.
8:49 PM - 8 Nov 2018
0 replies
0 retweets
1 like
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.