A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: models/Blog_model.php

Line Number: 89

Backtrace:

File: /var/www/livo/data/www/livo.tj/application/models/Blog_model.php
Line: 89
Function: _error_handler

File: /var/www/livo/data/www/livo.tj/application/controllers/Blog.php
Line: 35
Function: get_rubric_id

File: /var/www/livo/data/www/livo.tj/index.php
Line: 315
Function: require_once