A PHP Error was encountered

Severity: Warning

Message: call_user_func_array() expects parameter 1 to be a valid callback, class 'Appointment' does not have a method 'step1'

Filename: core/ZY_Controller.php

Line Number: 123

Backtrace:

File: /data/wwwroot/esmile/main/app/core/ZY_Controller.php
Line: 123
Function: _error_handler

File: /data/wwwroot/esmile/main/public/index.php
Line: 296
Function: require_once