The fix for this issue is available in the latest InDesign release 16.2.1
Please update to this latest version of InDesign to get the fix.
Adobe InDesign team
An error occurred while saving the commentAnonymous commented
Black screen for review Just happened on my computer. Worked earlier today. I've logged out of InDesign and Creative Cloud. I've rebooted my Mac. I've tried both workaround. Neither works. InDesign 16.1.