Fatal error: Uncaught Error: Class "PKP\decision\DecisionType" not found in C:\xampp\htdocs\ojs\lib\pkp\classes\decision\types\RevertDecline.php:30 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ojs\lib\pkp\classes\decision\types\RevertDecline.php on line 30