Fatal error: Uncaught Error: Class 'Doctrine\Persistence\Mapping\Driver\MappingDriverChain' not found in /home/soh-works/www/3good/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/DriverChain.php:29 Stack trace: #0 {main} thrown in /home/soh-works/www/3good/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/DriverChain.php on line 29