A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_SEC_FETCH_DEST"

Filename: core/MY_Loader.php

Line Number: 17

Backtrace:

File: /var/customers/webs/yachtschuleot/backend/application/core/MY_Loader.php
Line: 17
Function: _error_handler

File: /var/customers/webs/yachtschuleot/backend/application/controllers/Anmelden.php
Line: 8
Function: view

File: /var/customers/webs/yachtschuleot/backend/index.php
Line: 302
Function: require_once