Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\HttpCache\AbstractSurrogate' not found in /opt/lampp/htdocs/kuesioner/vendor/symfony/http-kernel/HttpCache/Esi.php:28 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/symfony/http-kernel/HttpCache/Esi.php on line 28