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.Ryan commented
When the popup appears, it won't allow you to click OK, but you can press enter on your keyboard and it will go away. Super annoying that I can't switch the kerning to Optical. It seems to work for some text sections, but not others. All the same typeface.