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