A PHP Error was encountered

Severity: Notice

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

Filename: uppage/Uppage_ctrl.php

Line Number: 61

Backtrace:

File: /var/www/prod/application/controllers/menu/uppage/Uppage_ctrl.php
Line: 61
Function: _error_handler

File: /var/www/prod/index.php
Line: 333
Function: require_once