Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /var/www/html/autocar/vendor/symfony/monolog-bundle/DependencyInjection/MonologExtension.php:39 Stack trace: #0 {main} thrown in /var/www/html/autocar/vendor/symfony/monolog-bundle/DependencyInjection/MonologExtension.php on line 39