A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: frontend/v_detail_menu.php

Line Number: 20

Backtrace:

File: /home/lpm/webserver/web/application/views/frontend/v_detail_menu.php
Line: 20
Function: _error_handler

File: /home/lpm/webserver/web/application/views/frontend/index.php
Line: 136
Function: view

File: /home/lpm/webserver/web/application/controllers/detail/Tentang.php
Line: 19
Function: view

File: /home/lpm/webserver/web/index.php
Line: 315
Function: require_once