Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\ConfigurableExtension" not found in /home/astechc1/public_html/vendor/friendsofsymfony/ckeditor-bundle/src/DependencyInjection/FOSCKEditorExtension.php:23 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/friendsofsymfony/ckeditor-bundle/src/DependencyInjection/FOSCKEditorExtension.php on line 23