Thanks for bringing this one to our attention, Chandos1.
I appreciate you for performing some troubleshooting steps to get this sorted out. I've checked here on our end and there's an ongoing investigation where customers can't access the Dashboard.
Our engineers are still investigating what's causing this issue. Rest assured, they are working together for the permanent fix.
In this case, I'd suggest contacting our Customer Support Team. They'll add you to the list of affected users. This way, they'll notify you through email about the update of this case.
Here's how to reach them:
Click the Help icon on the top right.
Tap the Contact Us button at the bottom.
Enter a short description of your concern.
Tick Continue.
Choose Message an agent to connect with our support.