Hello Tony,
Enable debug mode in WordPress – https://wordpress.org/support/article/debugging-in-wordpress/ to find out what error appears on your site, it will point you in the right direction what needs to be fixed. Submit a new topic – https://www.8theme.com/forums/xstore-wordpress-support-forum/ Provide URL of your site, temporary wp-admin and FTP access, via the Private content area. Also, let us know error text that is shown after activate the debug mode.
Regards
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.
