Registered Out of software but when regiesterting as cvurrent user unable to do so

Hi,

We are facing urgent issue, where we are logged out of the PushOK software
and the registration is asked to make it work, when doing the same with
offline and online mode error of type -
The generated key is invalid, due to time limitations. Please check your
license type or contact sales@pushok.com

Please help as it is urgent.

Regards,
Ishu