Fatal error: Uncaught Error: Class 'JMS\Serializer\Tests\Fixtures\SimpleClassObject' not found in /home/interweavesoluti/desktop.interweavesolutions.org/vendor/jms/serializer/tests/Fixtures/SimpleSubClassObject.php:15 Stack trace: #0 {main} thrown in /home/interweavesoluti/desktop.interweavesolutions.org/vendor/jms/serializer/tests/Fixtures/SimpleSubClassObject.php on line 15