A PHP Error was encountered

Severity: Notice

Message: Undefined variable: ids

Filename: models/products_model.php

Line Number: 151

Fatal error: ob_start() [<a href='ref.outcontrol'>ref.outcontrol</a>]: Cannot use output buffering in output buffering display handlers in /home/donavo5/CodeIgniter_1.6.2/libraries/Exceptions.php on line 160