Fatal error: Uncaught Error: Class "Zend_OpenId" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-auth-adapter-openid\tests\Zend\Auth\Adapter\OpenId\ResponseHelper.php:23 Stack trace: #0 C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-auth-adapter-openid\tests\Zend\Auth\Adapter\OpenId\OpenIdTest.php(23): require_once() #1 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-auth-adapter-openid\tests\Zend\Auth\Adapter\OpenId\ResponseHelper.php on line 23