Fatal error: Uncaught Error: Class 'Http\Client\Exception\RequestException' not found in /opt/lampp/htdocs/kuesioner/vendor/php-http/httplug/src/Exception/NetworkException.php:12 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/php-http/httplug/src/Exception/NetworkException.php on line 12