A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Visualpage.php

Line Number: 35

Backtrace:

File: /home/k7974628/public_html/application/controllers/Visualpage.php
Line: 35
Function: _error_handler

File: /home/k7974628/public_html/index.php
Line: 318
Function: require_once