A PHP Error was encountered

Severity: Notice

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

Filename: facilities/Modelquestion.php

Line Number: 31

Backtrace:

File: /home/bucommerce/public_html/application/controllers/facilities/Modelquestion.php
Line: 31
Function: _error_handler

File: /home/bucommerce/public_html/index.php
Line: 315
Function: require_once