Fatal error: Uncaught Error: Access to undeclared static property: CmsUpdater::$class_method in /home/gfp/domains/gfpdashboard.nl/public_html/sys/class/cron.php:39 Stack trace: #0 /home/gfp/domains/gfpdashboard.nl/public_html/sys/class/cron.php(26): Cron::_execute(Array) #1 /home/gfp/domains/gfpdashboard.nl/public_html/sys/setup.php(121): Cron::execute() #2 /home/gfp/domains/gfpdashboard.nl/public_html/index.php(30): require('/home/gfp/domai...') #3 {main} thrown in /home/gfp/domains/gfpdashboard.nl/public_html/sys/class/cron.php on line 39