Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Migrations\AbstractMigration' not found in /srv/www/c5www/html/updates/concrete5-8.5.1/concrete/src/Updater/Migrations/AbstractMigration.php:20 Stack trace: #0 {main} thrown in /srv/www/c5www/html/updates/concrete5-8.5.1/concrete/src/Updater/Migrations/AbstractMigration.php on line 20