Fatal error: Uncaught Error: Class 'Doctrine\Migrations\AbstractMigration' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Framework/Neos.Flow/Migrations/Postgresql/Version20170110133146.php:7 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Framework/Neos.Flow/Migrations/Postgresql/Version20170110133146.php on line 7