Fatal error: Uncaught Error: Class 'Nexmo\Account\Price' not found in /opt/lampp/htdocs/kuesioner/vendor/nexmo/client-core/src/Account/PrefixPrice.php:5 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/nexmo/client-core/src/Account/PrefixPrice.php on line 5