Fatal error: Uncaught Error: Class "Symfony\Component\Debug\BufferingLogger" not found in C:\Apache24_x64\htdocs\origin_cms\vendor\symfony\debug\Tests\Fixtures\LoggerThatSetAnErrorHandler.php:7 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\origin_cms\vendor\symfony\debug\Tests\Fixtures\LoggerThatSetAnErrorHandler.php on line 7