Fatal error: Uncaught Error: Class 'Zend\Diactoros\Stream' not found in /opt/lampp/htdocs/kuesioner/vendor/zendframework/zend-diactoros/src/PhpInputStream.php:17 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/zendframework/zend-diactoros/src/PhpInputStream.php on line 17