Please try to set your shop permalinks like shown in this screenshot: https://postimg.cc/r0dLyvQ1 and check back after removing the cache.
Otherwise, please share your site wp-admin URL and access in the private content area of this topic by following the below-given format
WORDPRESS ADMIN URL:
WORDPRESS ADMIN USERNAME:
WORDPRESS ADMIN PASSWORD:
So that I will check and fix your issue on your site.
Note: Please take a complete backup of your site first.
Regards 8Themes Team.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.