A PHP Error was encountered

Severity: Notice

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

Filename: _partials/header.php

Line Number: 31

Backtrace:

File: /home/kabm7425/public_html/toeic.bahasainggris.ac.id/application/views/_partials/header.php
Line: 31
Function: _error_handler

File: /home/kabm7425/public_html/toeic.bahasainggris.ac.id/application/views/pages/blank.php
Line: 1
Function: view

File: /home/kabm7425/public_html/toeic.bahasainggris.ac.id/application/controllers/Home.php
Line: 20
Function: view

File: /home/kabm7425/public_html/toeic.bahasainggris.ac.id/index.php
Line: 309
Function: require_once