Error: Submitted license key does not correspond to the URL

You may encounter this error if the submitted license key does not correspond to the URL saved during its activation.

A purchased license key may be used during one WordPress installation.

How to solve this?

You can reset the license key in the section My Account -> Licenses. After resetting, the plugin can be re-activated. If you don’t know where to activate the plugin, check out the plugin documentation.

Thorough instructions to reset the license key can be found in the article on How to reset a purchased license.