Fatal error: Uncaught TypeError: PKP\submissionFile\DAO::get(): Argument #1 ($id) must be of type int, string given, called in /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/submissionFile/DAO.php on line 299 and defined in /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/submissionFile/DAO.php:92 Stack trace: #0 /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/submissionFile/DAO.php(299): PKP\submissionFile\DAO->get() #1 /var/www/ebooks.uni-lj.si/omp/pages/catalog/CatalogBookHandler.php(372): PKP\submissionFile\DAO->getByBestId() #2 [internal function]: APP\pages\catalog\CatalogBookHandler->download() #3 /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/core/PKPRouter.php(334): call_user_func() #4 /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/core/PKPPageRouter.php(277): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #5 /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route() #6 /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch() #7 /var/www/ebooks.uni-lj.si/omp/index.php(21): PKP\core\PKPApplication->execute() #8 {main} thrown in /var/www/ebooks.uni-lj.si/omp/lib/pkp/classes/submissionFile/DAO.php on line 92