"Incompatible Archive" upon installation

This issue is not directly related to Bookly but appears to be linked to the latest WordPress version 6.4.3. You can find more information about this issue here https://core.trac.wordpress.org/ticket/60398 

To resolve the issue, you can install Bookly Pro (Add-on) archive or any other Bookly add-on via ftp, or we can assist with this matter. Please reach out to us via support@bookly.info, provide access to your WP admin panel and we’ll help.