Fatal error: Uncaught Error: Class "Doctrine\Migrations\Configuration\AbstractFileConfiguration" not found in /srv/disk3/2724534/www/redgraveresearch.com/concrete/vendor/doctrine/migrations/lib/Doctrine/Migrations/Configuration/ArrayConfiguration.php:12 Stack trace: #0 {main} thrown in /srv/disk3/2724534/www/redgraveresearch.com/concrete/vendor/doctrine/migrations/lib/Doctrine/Migrations/Configuration/ArrayConfiguration.php on line 12