A PHP Error was encountered

Severity: Notice

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

Filename: front/product_details.php

Line Number: 4

Backtrace:

File: /home/talatnat/public_html/application/views/front/product_details.php
Line: 4
Function: _error_handler

File: /home/talatnat/public_html/application/controllers/Home.php
Line: 159
Function: view

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