Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\AbstractSchemaManager' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/doctrine/dbal/lib/Doctrine/DBAL/Schema/OracleSchemaManager.php:28 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/doctrine/dbal/lib/Doctrine/DBAL/Schema/OracleSchemaManager.php on line 28