Fatal error: Uncaught Error: Interface "Doctrine\Migrations\Configuration\Exception\ConfigurationException" not found in /srv/disk3/2724534/www/redgraveresearch.com/concrete/vendor/doctrine/migrations/lib/Doctrine/Migrations/Configuration/Exception/MigrationsNamespaceRequired.php:9 Stack trace: #0 {main} thrown in /srv/disk3/2724534/www/redgraveresearch.com/concrete/vendor/doctrine/migrations/lib/Doctrine/Migrations/Configuration/Exception/MigrationsNamespaceRequired.php on line 9