A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: models/Item_model.php

Line Number: 61

Backtrace:

File: /home/c/cy79520/persona_new/application/models/Item_model.php
Line: 61
Function: _error_handler

File: /home/c/cy79520/persona_new/application/controllers/Dispatcher.php
Line: 74
Function: check_item_type_by_rubric

File: /home/c/cy79520/persona_new/public_html/index.php
Line: 315
Function: require_once