WHMCS error after latest version upgrade

[wcwman]

I am getting the following error after upgrading to the latest version.
Error: Call to undefined method WHMCS\License::getRegistrationDate() in /var/www/vhosts/xxxxxxxx/xxxxxxxxxxxxxxxxx/vendor/whmcs/whmcs-foundation/lib/Admin/Survey/Retently/v1/GlobalNps.php:0

Any help would be appreciated.

 

[WOBAL]

I am getting the following error after upgrading to the latest version.
Error: Call to undefined method WHMCS\License::getRegistrationDate() in /var/www/vhosts/xxxxxxxx/xxxxxxxxxxxxxxxxx/vendor/whmcs/whmcs-foundation/lib/Admin/Survey/Retently/v1/GlobalNps.php:0

Any help would be appreciated.

Go to /www/wwwroot/wcwman/Dash/vendor/whmcs/whmcs-foundation/lib/License.php

add a function in the code anywhere

public function getRegistrationDate(){

}

 

[wcwman]

That worked. Thank you