A PHP Error was encountered

Severity: Notice

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

Filename: website/city.php

Line Number: 31

Backtrace:

File: /home/alphawizzserver/public_html/scrapy5.com/application/views/website/city.php
Line: 31
Function: _error_handler

File: /home/alphawizzserver/public_html/scrapy5.com/application/controllers/Website.php
Line: 631
Function: view

File: /home/alphawizzserver/public_html/scrapy5.com/index.php
Line: 315
Function: require_once