A PHP Error was encountered

Severity: Warning

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

Filename: pages/about-us.php

Line Number: 20

Backtrace:

File: /home/u216577359/domains/igsschooledu.com/public_html/application/views/themes/material_red/pages/about-us.php
Line: 20
Function: _error_handler

File: /home/u216577359/domains/igsschooledu.com/public_html/application/controllers/Welcome.php
Line: 1004
Function: view

File: /home/u216577359/domains/igsschooledu.com/public_html/index.php
Line: 325
Function: require_once