A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/listings.php

Line Number: 72

Fatal error: ob_start() [<a href='ref.outcontrol'>ref.outcontrol</a>]: Cannot use output buffering in output buffering display handlers in /home/vdgnetc/VDG_CI/system/libraries/Exceptions.php on line 160