Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/u6668910/public_html/test/lab/vendor/avalanche123/imagine-bundle/Avalanche/Bundle/ImagineBundle/DependencyInjection/AvalancheImagineExtension.php:11 Stack trace: #0 {main} thrown in /home/u6668910/public_html/test/lab/vendor/avalanche123/imagine-bundle/Avalanche/Bundle/ImagineBundle/DependencyInjection/AvalancheImagineExtension.php on line 11