A PHP Error was encountered

Severity: Notice

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

Filename: include/footer.php

Line Number: 85

Backtrace:

File: D:\www\edu\edu2022\application\views\ppe\include\footer.php
Line: 85
Function: _error_handler

File: D:\www\edu\edu2022\application\views\ppe\list_teacher_practice.php
Line: 72
Function: view

File: D:\www\edu\edu2022\application\controllers\Practice.php
Line: 74
Function: view

File: D:\www\edu\edu2022\index.php
Line: 462
Function: require_once