This message appears when your license key is already activated on another site, and you’re trying to activate it on a new site.

To fix this:

1. Deactivate the license on the previous site.
2. Check the list of sites where your license is active by logging in to your ShapedPlugin Account → Dashboard → Manage Sites.
3. From there, find the plugin, go to Manage Sites, and click Deactivate Site.
4. Once deactivated, you can activate the license key on any new site.

For more information, visit here.