This error occurs because CodeCanyon only sells licences that are available for a single domain. If you try to install the plugin on more than one domain, you’ll get the following error on the second domain:

“It seems that this purchase code is tied to another host. Please buy a new license in order to use this plugin on another sites.”

or

It seems that this purchase code is tied to another host and/or IP address. A purchase code can only be linked to one domain at a time.

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