Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Tests\Exception\HttpExceptionTest' not found in /home/app/htdocs/message_gateway/vendor/symfony/http-kernel/Tests/Exception/UnprocessableEntityHttpExceptionTest.php:7 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/http-kernel/Tests/Exception/UnprocessableEntityHttpExceptionTest.php on line 7