error install

The system detects that you are trying to install the product on an unauthorized domain or IP. You can ask for support by creating a support ticket.

Is this the only installation you are trying to use the theme on?

As the message suggests you probably need to contact the author and their support https://help.market.envato.com/hc/en-us/articles/203039054-How-to-contact-an-author

this error when i install cardlab