A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Mall.php

Line Number: 169

Backtrace:

File: /home/u971618696/domains/jogjacitymall.com/public_html/app/modules/mall/controllers/Mall.php
Line: 169
Function: _error_handler

File: /home/u971618696/domains/jogjacitymall.com/public_html/app/modules/mall/controllers/Mall.php
Line: 42
Function: single

File: /home/u971618696/domains/jogjacitymall.com/public_html/index.php
Line: 289
Function: require_once