81 votes175 comments · Illustrator 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.JM commented
I'm also having this issue and am not working on a network or saving it to the cloud, online drives, or a removable drive. I'm just saving it to my machine's hard drive. I would say it happens 90% of the time when I use Illustrator.