72 votes91 comments · Illustrator (Desktop) Bugs » File Save, Import and Export · Flag idea as inappropriate… · Admin →Completed (Comments Open) · AdminIllustrator Engineering (Software Engineer, Adobe Illustrator) responded
We have the fix available in the latest release. Please update Illustrator using Adobe Creative Cloud application to the latest build for version Illustrator CC 24.0.0
For the issue where you are encountering “An unknown error has occurred” while saving the document then please go to the following link to track the status of this issue:
Illustrator TeamAnonymous supported this idea ·
An error occurred while saving the commentAnonymous commented
This wasn't happening until yesterday for me, so the fix didn't seem to hold. Among "save as" the other commands like "Save as copy", "Save as template", "open", "place", etc will all not work either.