Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/Referenzen.php
Line Number: 21
Backtrace:
File: /html/stahlus_2018/application/controllers/Referenzen.php
Line: 21
Function: _error_handler
File: /html/stahlus_2018/index.php
Line: 319
Function: require_once