Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\AbstractSchemaManager' not found in /home1/heyerarc/public_html/updates/concrete5-8.5.5_remote_updater/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php:33 Stack trace: #0 {main} thrown in /home1/heyerarc/public_html/updates/concrete5-8.5.5_remote_updater/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php on line 33