Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'u.ref_portal' in 'on clause' in /var/www/vhosts/hosting105622.a2f09.netcup.net/httpdocs/regenta-verlag/kunden/fachkraefte-marketing/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:132 Stack trace: #0 /var/www/vhosts/hosting105622.a2f09.netcup.net/httpdocs/regenta-verlag/kunden/fachkraefte-marketing/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(132): PDO->query('\n SE...') #1 /var/www/vhosts/hosting105622.a2f09.netcup.net/httpdocs/regenta-verlag/kunden/fachkraefte-marketing/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOQueryImplementation.php(36): Doctrine\DBAL\Driver\PDOConnection->doQuery('\n SE...') #2 /var/www/vhosts/hosting105622.a2f09.netcup.net/httpdocs/regenta-verlag/kunden/fachkraefte-marketing/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(1437): Doctrine\DBAL\Driver\PDOConnection->query('\n SE...') #3 /var/www/vhosts/hosting105622.a2f09.netcup.ne in /var/www/vhosts/hosting105622.a2f09.netcup.net/httpdocs/regenta-verlag/kunden/fachkraefte-marketing/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 79