Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home2/secufin1/public_html/clients/vendor/symfony/security-bundle/DependencyInjection/SecurityExtension.php:43 Stack trace: #0 {main} thrown in /home2/secufin1/public_html/clients/vendor/symfony/security-bundle/DependencyInjection/SecurityExtension.php on line 43