A PHP Error was encountered

Severity: Notice

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

Filename: models/Model_blog.php

Line Number: 113

Backtrace:

File: /home/ojnrxai3dx9n/public_html/application/models/Model_blog.php
Line: 113
Function: _error_handler

File: /home/ojnrxai3dx9n/public_html/application/controllers/Blog.php
Line: 94
Function: category_id

File: /home/ojnrxai3dx9n/public_html/index.php
Line: 315
Function: require_once

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