Activation is expired or not valid

An online activation is required to activate the plugin. Make sure your machine is connected to the internet and try again or The activation is either expired or invalid or The activation is not valid for your license or The activation is not valid for this computer.
These errors will appear when you copy an activation file from one computer to another. Licenses are checked out per node so each computer gets its own activation, if you copy this to another machine then the license system will detect an inconsistency and let you know that there are problems. Reset the license to check out another activation.