Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/dwtechco/public_html/vendor/zikula/workflow-bundle/DependencyInjection/ZikulaWorkflowExtension.php:28 Stack trace: #0 {main} thrown in /home/dwtechco/public_html/vendor/zikula/workflow-bundle/DependencyInjection/ZikulaWorkflowExtension.php on line 28