A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Stuecke.php

Line Number: 599

Backtrace:

File: /www/htdocs/w0080f9f/theater-spiel-repo/current/application/controllers/Stuecke.php
Line: 599
Function: _error_handler

File: /www/htdocs/w0080f9f/theater-spiel-repo/current/public/index.php
Line: 309
Function: require_once