vanthan your server IP address is still same or changed?? If IP address is changed. Please create ticket to support team. To "reset license" then team will provide u new license codes. If you have all premium modules, add that module name and license code to email.
 (This feature "reset license" already  available in v2.9.1, but u have to reset it before migration, unfortunately u skipped this step and migrated website that's why website asking u to add new license code.)