Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/cooplafobq/newplanning/vendor/knpuniversity/oauth2-client-bundle/src/DependencyInjection/KnpUOAuth2ClientExtension.php:77 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/knpuniversity/oauth2-client-bundle/src/DependencyInjection/KnpUOAuth2ClientExtension.php on line 77