Fatal error: Uncaught Error: Class "PKP\controlledVocab\ControlledVocabDAO" not found in C:\xampp\htdocs\journal\lib\pkp\classes\user\InterestDAO.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\journal\lib\pkp\classes\user\InterestDAO.php on line 28