Fatal error: Uncaught Error: Class 'Zend\Http\Exception\RuntimeException' not found in /home/app/htdocs/ninja/vendor/zendframework/zend-http/src/Header/Exception/RuntimeException.php:12
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/zendframework/zend-http/src/Header/Exception/RuntimeException.php on line 12