109 votes243 comments · Illustrator (Desktop) Bugs » File Save, Import and Export · Flag idea as inappropriate… · Admin →
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 22.1.
Please refer to our knowledge base FAQ – https://illustrator.uservoice.com/knowledgebase/articles/1844590 if you face difficulty in update.
Or get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html
Ashutosh Chaturvedi | Sr. Quality Engineering Manager – Illustrator
Adobe. Make It an Experience.
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Upgraded to MacOS 10.13.2, then signed in to a new departmental dropbox account, then started seeing this message. I don't use the dropbox account in my work flow; .ai files are opened from and saved to the HD.