A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Auth.php

Line Number: 54

Backtrace:

File: /home/www/html/ibslite/application/controllers/Auth.php
Line: 54
Function: _error_handler

File: /home/www/html/ibslite/index.php
Line: 315
Function: require_once