Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/cooplafobq/newplanning/vendor/ornicar/gravatar-bundle/Ornicar/GravatarBundle/DependencyInjection/OrnicarGravatarExtension.php:11 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/ornicar/gravatar-bundle/Ornicar/GravatarBundle/DependencyInjection/OrnicarGravatarExtension.php on line 11