Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/ntpcbgtpp/public_html/mat1/vendor/gregwar/captcha-bundle/DependencyInjection/GregwarCaptchaExtension.php:18 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/vendor/gregwar/captcha-bundle/DependencyInjection/GregwarCaptchaExtension.php on line 18