After upgrade, it will serve the license is stoked on your database, why go to your phpMyAdmin and run this query in the database WHMCS:
"
UPDATE – 22nd DECEMBER
As promised here is the line to edit the file “includes/licensefunctions.php”
Thanks to Flipmode for ideas, research and testing!
Find the line that begins with this :
"
Replace it with : $data .="". "nextduedate=2050-12-01;". "name=Support and Updates|". "name=Branding Removal;status=Active|". "name=Mobile Edition;status=Active|". "name=iPhone App;status=Active|". "name=Android App;status=Active|". "name=Configurable Package Addon;status=Active". "n";