A PHP Error was encountered

Severity: Notice

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

Filename: core/MY_Controller.php

Line Number: 219

Backtrace:

File: /home/www/wwwroot/www.toptoonmh.com/application/core/MY_Controller.php
Line: 219
Function: _error_handler

File: /home/www/wwwroot/www.toptoonmh.com/application/controllers/Home.php
Line: 943
Function: shorturl

File: /home/www/wwwroot/www.toptoonmh.com/index.php
Line: 287
Function: require_once