Panel does not activating due to the error «BADKEY»

Symptoms

When activating a license, the following error occurs «No license available for your server. Perhaps, the activation key has been already used or has expired. Perhaps, the installed version of the product was released later than the one to which the specified key allows updating».

There is the error «BADKEY» in the license module log file /usr/local/mgr5/var/licctl.log.

Solution

This error indicates that the key is incorrect: the error usually occurs after reinstalling the OS and panel.

Generate a new license key and try to activate the panel with it.