Fatal error: Interface 'Doctrine\Common\Persistence\ObjectManager' not found in /var/www/html/dev/spa/vendor/doctrine/common/lib/Doctrine/Common/Persistence/ObjectManagerDecorator.php on line 31

Call Stack:
    0.0003     250208   1. {main}() /var/www/html/dev/spa/vendor/doctrine/common/lib/Doctrine/Common/Persistence/ObjectManagerDecorator.php:0