Western Digital broke it when they fixed the broken files.mycloud.com login. They broke a few things when they “fixed” that. Their last post about the “disruption” says they fixed the issue, but all these new/worse issues started and the service is completely unsable for some. The system dashboard works and is connected, but the website and app no longer see the devices for a lot of us. Your issue is probably related to whatever they messed up.
They are lacking communication and falsely have the status page https://status.mycloud.com/os3 showing that everything has been fine since September. A quick look on the forum shows the last issue that they acknowledged was March 9th. MyCloud.com Disruption
