Fatal error: Uncaught Error: Class "Zend_View_Helper_Abstract" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-view-helper-json\src\Zend\View\Helper\Json.php:31 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-view-helper-json\src\Zend\View\Helper\Json.php on line 31