Fatal error: Uncaught Error: Class "Zend_Gdata_App_Extension" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1\library\Zend\Gdata\Extension.php:33 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1\library\Zend\Gdata\Extension.php on line 33