If you’re having trouble with Mail, iMessage, Photos, iCloud Drive or some other cloud service offered by Apple … well, you’re not alone. The good news is that the company is on the subject.
As we can see on the page System status, from Apple, several iCloud services are down for some users, including (in addition to the above), iCloud.com web apps, Keys, Contacts, Favorites and tabs, Reminders, Notes and Usage Time.
As always, the company is working to normalize everything as quickly as possible. As soon as that happens, we will update this article.
Update Mar 05, 2020 at 16:03
According to Apple, all services that were in trouble have been properly normalized.