Warning: Undefined array key "required" in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/submission/GenreDAO.php on line 251

Fatal error: Uncaught TypeError: PKP\submission\Genre::setRequired(): Argument #1 ($required) must be of type bool, null given, called in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/submission/GenreDAO.php on line 251 and defined in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/submission/Genre.php:213 Stack trace: #0 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/submission/GenreDAO.php(251): PKP\submission\Genre->setRequired() #1 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/db/DAOResultFactory.php(135): PKP\submission\GenreDAO->_fromRow() #2 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/db/DAOResultFactory.php(233): PKP\db\DAOResultFactory->next() #3 /home/tratadoc/update34.gazetamedica.pt/pages/issue/IssueHandler.php(347): PKP\db\DAOResultFactory->toArray() #4 /home/tratadoc/update34.gazetamedica.pt/pages/issue/IssueHandler.php(132): APP\pages\issue\IssueHandler::_setupIssueTemplate() #5 [internal function]: APP\pages\issue\IssueHandler->view() #6 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/core/PKPRouter.php(334): call_user_func() #7 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/core/PKPPageRouter.php(278): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #8 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route() #9 /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch() #10 /home/tratadoc/update34.gazetamedica.pt/index.php(21): PKP\core\PKPApplication->execute() #11 {main} thrown in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/classes/submission/Genre.php on line 213

Warning: require_once(/home/tratadoc/update34.gazetamedica.pt/plugins/importexport/crossref/CrossrefInfoSender.inc.php): Failed to open stream: No such file or directory in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/includes/functions.php on line 50

Fatal error: Uncaught Error: Failed opening required '/home/tratadoc/update34.gazetamedica.pt/plugins/importexport/crossref/CrossrefInfoSender.inc.php' (include_path='.:/opt/alt/php84/usr/share/pear:/opt/alt/php84/usr/share/php:/usr/share/pear:/usr/share/php') in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/includes/functions.php:50 Stack trace: #0 /home/tratadoc/update34.gazetamedica.pt/plugins/generic/acron/AcronPlugin.php(273): import() #1 /home/tratadoc/update34.gazetamedica.pt/plugins/generic/acron/AcronPlugin.php(195): APP\plugins\generic\acron\AcronPlugin->_shutdownFunction() #2 [internal function]: APP\plugins\generic\acron\AcronPlugin->{closure:APP\plugins\generic\acron\AcronPlugin::_callbackLoadHandler():195}() #3 {main} thrown in /home/tratadoc/update34.gazetamedica.pt/lib/pkp/includes/functions.php on line 50