Fatal error: Uncaught Error: Class "JMS\Serializer\Tests\Fixtures\Doctrine\SingleTableInheritance\Person" not found in /home/kiwakim/stock/vendor/jms/serializer/tests/Fixtures/Doctrine/SingleTableInheritance/Student.php:10 Stack trace: #0 {main} thrown in /home/kiwakim/stock/vendor/jms/serializer/tests/Fixtures/Doctrine/SingleTableInheritance/Student.php on line 10