Fatal error: Uncaught Error: Class 'Symfony\Component\Debug\BufferingLogger' not found in /home/app/htdocs/message_gateway/vendor/symfony/debug/Tests/Fixtures/LoggerThatSetAnErrorHandler.php:7 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/debug/Tests/Fixtures/LoggerThatSetAnErrorHandler.php on line 7