Fatal error: Uncaught Error: Class "JMS\Serializer\Tests\Fixtures\SimpleObject" not found in C:\laragon\www\siesicis\ovh-sms\vendor\jms\serializer\tests\JMS\Serializer\Tests\Fixtures\ObjectWithNullProperty.php:23 Stack trace: #0 {main} thrown in C:\laragon\www\siesicis\ovh-sms\vendor\jms\serializer\tests\JMS\Serializer\Tests\Fixtures\ObjectWithNullProperty.php on line 23