Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/synap/fr/synap/dev/www/7/vendor/symfony/monolog-bundle/Symfony/Bundle/MonologBundle/DependencyInjection/MonologExtension.php:28 Stack trace: #0 {main} thrown in /home/synap/fr/synap/dev/www/7/vendor/symfony/monolog-bundle/Symfony/Bundle/MonologBundle/DependencyInjection/MonologExtension.php on line 28