Fatal error: Uncaught Error: Undefined constant "PKP\submission\action\PKP_STRICT_MODE" in /home/jurna812/public_html/lib/pkp/classes/submission/action/EditorAction.php:279 Stack trace: #0 {main} thrown in /home/jurna812/public_html/lib/pkp/classes/submission/action/EditorAction.php on line 279