Fatal error: Uncaught Error: Class "Zend\Validator\File\Hash" not found in /home/gyannewsoftware/public_html/school6_EduFirm/vendor/zendframework/zend-validator/src/File/Crc32.php:17 Stack trace: #0 {main} thrown in /home/gyannewsoftware/public_html/school6_EduFirm/vendor/zendframework/zend-validator/src/File/Crc32.php on line 17