Twitter said Tuesday that it's trying to determine what's behind the mysterious disappearance of tweets on the platform, including Ellen DeGeneres' all-time retweet champion.
After users expressed frustration and bewilderment over tweets disappearing from their feeds, the social network confirmed that it was "researching a bug that has caused some Tweets to not be displayed." Instead of the usual tweets, users are seeing a notice that reads, "Sorry, that page doesn't exist!"
Some of the accounts reportedly affected include CNBC, The Daily Mail, The Ellen Show, and Lady Gaga. DeGeneres' famous record-setting selfie from the last month's Oscars, which garnered more than 3.4 million retweets, also vanished. But Twitter users seemed most upset over the disappearance of the last tweet sent by Cory Monteith, the "Glee" star who died last July of an alcohol and heroin overdose.