Mojave is a supported operating system since Illustrator version 23.×.
We request your help. Please get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html . Since this is not a generic issue that we can reproduce at our end, we will need someone to look into your machine to figure out what is going on here.
An error occurred while saving the commentAnonymous commented
Constant program crashes on very simple design work. Secondly when I restart the recent, last opened options shows none of the previous work that I had been working on!! Adobe should not be charging the very high charge for this rabble!