A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: views/master_page.php

Line Number: 51

Backtrace:

File: C:\xampp\htdocs\report\application\views\master_page.php
Line: 51
Function: _error_handler

File: C:\xampp\htdocs\report\application\core\MY_Controller.php
Line: 13
Function: view

File: C:\xampp\htdocs\report\application\controllers\Hr.php
Line: 120
Function: show

File: C:\xampp\htdocs\report\index.php
Line: 292
Function: require_once