Fatal error: Uncaught Error: Class "App\Entity\Main\Exam\Exam" not found in /home/technoon/public_html/demo/yondy/var/cache/dev/doctrine/orm/Proxies/__CG__AppEntityMainExamExam.php:9 Stack trace: #0 {main} thrown in /home/technoon/public_html/demo/yondy/var/cache/dev/doctrine/orm/Proxies/__CG__AppEntityMainExamExam.php on line 9