Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /home/periodicos34/public_html/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:38 Stack trace: #0 /home/periodicos34/public_html/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(38): PDO->__construct() #1 /home/periodicos34/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct() #2 /home/periodicos34/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(46): Illuminate\Database\Connectors\Connector->createPdoConnection() #3 /home/periodicos34/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 /home/periodicos34/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illumina in /home/periodicos34/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671