Fatal error: Uncaught Error: Class "Nelmio\SecurityBundle\EventListener\AbstractContentTypeRestrictableListener" not found in /home/exklusivbeautysa/public_html/vendor/nelmio/security-bundle/EventListener/ContentSecurityPolicyListener.php:28 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/nelmio/security-bundle/EventListener/ContentSecurityPolicyListener.php on line 28