Fatal error: Uncaught Error: Class 'Doctrine\Migrations\AbstractMigration' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Sites/Neos.Demo/Migrations/Mysql/Version20160427183540.php:10 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Sites/Neos.Demo/Migrations/Mysql/Version20160427183540.php on line 10