Fatal error: Uncaught TypeError: PKP\section\Repository::get(): Argument #1 ($id) must be of type int, null given, called in /home/oiccpres/public_html/classes/search/ArticleSearch.php on line 278 and defined in /home/oiccpres/public_html/lib/pkp/classes/section/Repository.php:58 Stack trace: #0 /home/oiccpres/public_html/classes/search/ArticleSearch.php(278): PKP\section\Repository->get() #1 /home/oiccpres/public_html/plugins/generic/authorListing/AuthorListingPageHandler.php(63): APP\search\ArticleSearch->formatResults() #2 [internal function]: APP\plugins\generic\authorListing\AuthorListingPageHandler->view() #3 /home/oiccpres/public_html/lib/pkp/classes/core/PKPRouter.php(328): call_user_func() #4 /home/oiccpres/public_html/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #5 /home/oiccpres/public_html/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #6 /home/oiccpres/public_html/lib/pkp/classes/core/PKPApplication.php(426): PKP\core\Dispatcher->dispatch() #7 /home/oiccpres/public_html/index.php(23): PKP\core\PKPApplication->execute() #8 {main} thrown in /home/oiccpres/public_html/lib/pkp/classes/section/Repository.php on line 58