A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on value of type null

Filename: app/detail_tours.php

Line Number: 20

Backtrace:

File: /home/radt9175/public_html/application/views/app/detail_tours.php
Line: 20
Function: _error_handler

File: /home/radt9175/public_html/application/libraries/Template.php
Line: 16
Function: view

File: /home/radt9175/public_html/application/controllers/App.php
Line: 42
Function: load

File: /home/radt9175/public_html/index.php
Line: 315
Function: require_once