Fatal error: Uncaught TypeError: PKP\submissionFile\DAO::get(): Argument #1 ($id) must be of type int, string given, called in /home2/unppress15/public_html/lib/pkp/classes/submissionFile/DAO.php on line 301 and defined in /home2/unppress15/public_html/lib/pkp/classes/submissionFile/DAO.php:93 Stack trace: #0 /home2/unppress15/public_html/lib/pkp/classes/submissionFile/DAO.php(301): PKP\submissionFile\DAO->get() #1 /home2/unppress15/public_html/pages/catalog/CatalogBookHandler.php(384): PKP\submissionFile\DAO->getByBestId() #2 /home2/unppress15/public_html/pages/catalog/CatalogBookHandler.php(328): APP\pages\catalog\CatalogBookHandler->download() #3 [internal function]: APP\pages\catalog\CatalogBookHandler->view() #4 /home2/unppress15/public_html/lib/pkp/classes/core/PKPRouter.php(327): call_user_func() #5 /home2/unppress15/public_html/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #6 /home2/unppress15/public_html/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #7 /home2/unppress15/public_html/lib/pkp/classes/core/PKPApplication.php(429): PKP\core\Dispatcher->dispatch() #8 /home2/unppress15/public_html/index.php(21): PKP\core\PKPApplication->execute() #9 {main} thrown in /home2/unppress15/public_html/lib/pkp/classes/submissionFile/DAO.php on line 93