Fatal error: Uncaught Error: Class 'Zend\Stdlib\Exception\RuntimeException' not found in /home/app/htdocs/ninja/vendor/zendframework/zend-stdlib/src/Exception/ExtensionNotLoadedException.php:15
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/zendframework/zend-stdlib/src/Exception/ExtensionNotLoadedException.php on line 15