Fatal error: Uncaught Error: Class "Doctrine\Persistence\Mapping\Driver\MappingDriverChain" not found in /home/microfrlnn/espace-pro/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/DriverChain.php:30 Stack trace: #0 {main} thrown in /home/microfrlnn/espace-pro/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/DriverChain.php on line 30