Fatal error: Uncaught TypeError: PKP\pages\announcement\AnnouncementHandler::isAnnouncementsEnabled(): Return value must be of type bool, null returned in /home/ijiert24/repo.ijiert.org/lib/pkp/pages/announcement/AnnouncementHandler.php:107
Stack trace:
#0 /home/ijiert24/repo.ijiert.org/lib/pkp/pages/announcement/AnnouncementHandler.php(42): PKP\pages\announcement\AnnouncementHandler->isAnnouncementsEnabled(Object(APP\core\Request))
#1 [internal function]: PKP\pages\announcement\AnnouncementHandler->index(Array, Object(APP\core\Request))
#2 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/PKPRouter.php(334): call_user_func(Array, Array, Object(APP\core\Request))
#3 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/PKPPageRouter.php(277): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array, false)
#4 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route(Object(APP\core\Request))
#5 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch(Object(APP\core\Request))
#6 /home/ijiert24/repo.ijiert.org/index.php(21): PKP\core\PKPApplication->execute()
#7 {main}
thrown in /home/ijiert24/repo.ijiert.org/lib/pkp/pages/announcement/AnnouncementHandler.php on line 107