The most common reason for this error is in the Chrome browser when the Hardware Acceleration setting is disabled.
<aside> 💡 To test this go to: https://www.partitionwizard.com/partitionmagic/hardware-acceleration-chrome.html
</aside>
<aside> ❗ Are you trying to get into a Space and can't get past the loading page? Maybe you get stuck on the Audio/Video screen, or you just don't see yourself on the Audio/Video check? Here are some steps to take so you can once again see your beautiful face.
</aside>
Command
+ Shift
+ R
Control
+ Shift
+ R
Click the lock to the left of your the URL bar and set Camera, Microphone to "Allow" if they aren't already.
Open the lock again.
Click "Site Settings."
Click "Reset permissions" and then click "confirm" when it prompts you.