Fatal error: Uncaught TypeError: PKP\submission\Repository::get(): Argument #1 ($id) must be of type int, string given, called in /var/www/html/2012/pages/article/ArticleHandler.php on line 421 and defined in /var/www/html/2012/lib/pkp/classes/submission/Repository.php:87 Stack trace: #0 /var/www/html/2012/pages/article/ArticleHandler.php(421): PKP\submission\Repository->get() #1 [internal function]: APP\pages\article\ArticleHandler->downloadSuppFile() #2 /var/www/html/2012/lib/pkp/classes/core/PKPRouter.php(340): call_user_func() #3 /var/www/html/2012/lib/pkp/classes/core/PKPPageRouter.php(262): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #4 /var/www/html/2012/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #5 /var/www/html/2012/lib/pkp/classes/core/PKPApplication.php(438): PKP\core\Dispatcher->dispatch() #6 /var/www/html/2012/index.php(21): PKP\core\PKPApplication->execute() #7 {main} thrown in /var/www/html/2012/lib/pkp/classes/submission/Repository.php on line 87