Fatal error: Uncaught Error: Interface "Doctrine\Persistence\Proxy" not found in /home/trairtil/public_html/vendor/myclabs/deep-copy/fixtures/f013/B.php:7 Stack trace: #0 {main} thrown in /home/trairtil/public_html/vendor/myclabs/deep-copy/fixtures/f013/B.php on line 7