Fatal error: Uncaught Error: Class 'Zend\Validator\File\Hash' not found in /home/app/htdocs/ninja/vendor/zendframework/zend-validator/src/File/Md5.php:17
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/zendframework/zend-validator/src/File/Md5.php on line 17