A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'app_status' of non-object

Filename: views/UserAppointmentReceipt.php

Line Number: 159

Backtrace:

File: /home/csfxb75i2oy7/public_html/testing.netmedicon.com/application/views/UserAppointmentReceipt.php
Line: 159
Function: _error_handler

File: /home/csfxb75i2oy7/public_html/testing.netmedicon.com/application/controllers/Appointment.php
Line: 529
Function: view

File: /home/csfxb75i2oy7/public_html/testing.netmedicon.com/index.php
Line: 316
Function: require_once