Fatal error: Uncaught PDOException: SQLSTATE[42S02]: Base table or view not found: 1932 Table 'ojs2.author_settings' doesn't exist in engine in /var/www/html/agricolas/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:78 Stack trace: #0 /var/www/html/agricolas/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(78): PDO->prepare('SELECT * FROM a...', Array) #1 /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(361): Doctrine\DBAL\Driver\PDOConnection->prepare(Object(Illuminate\Database\Query\Expression)) #2 /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database\{closure}(Object(Illuminate\Database\Query\Expression), Array) #3 /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback(Object(Illuminate\Database\Query\Expression), in /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671

Warning: PDOStatement::execute(): MySQL server has gone away in /var/www/html/agricolas/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php on line 115

Warning: PDOStatement::execute(): Error reading result set's header in /var/www/html/agricolas/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php on line 115

Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/agricolas/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:38 Stack trace: #0 /var/www/html/agricolas/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(38): PDO->__construct('mysql:host=loca...', 'ojsagricola', 'Us3ra2021@*', Array) #1 /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=loca...', 'ojsagricola', 'Us3ra2021@*', Array) #2 /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(100): Illuminate\Database\Connectors\Connector->createPdoConnection('mysql:host=loca...', 'ojsagricola', 'Us3ra2021@*', Array) #3 /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(50): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnectio in /var/www/html/agricolas/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671