A PHP Error was encountered

Severity: Notice

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

Filename: Login/index.php

Line Number: 124

Backtrace:

File: C:\xampp\htdocs\parentsportal\application\views\Login\index.php
Line: 124
Function: _error_handler

File: C:\xampp\htdocs\parentsportal\application\controllers\Login.php
Line: 55
Function: view

File: C:\xampp\htdocs\parentsportal\index.php
Line: 300
Function: require_once