Fix for this issue is now available in the latest update of InDesign 2020 – that is, InDesign 15.1.2
In the Creative Cloud Desktop application, click on the Updates section on the left. You should be able to see the Update available for InDesign. Please update your InDesign application to this version to try out the fix.
Let us know in the comments section if you still face this problem.
Adobe InDesign Team
An error occurred while saving the commentKB commented
I've updated to 15.0.1 as well and still have the same issue. I can overwrite a PDF that's been there for a while, but not one that was just recently created.KB supported this idea ·