A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Audit.php

Line Number: 71

Backtrace:

File: /home/goaudit/www/application/controllers/Audit.php
Line: 71
Function: _error_handler

File: /home/goaudit/www/public/index.php
Line: 315
Function: require_once