A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "client_id" on null

Filename: controllers/Appointment.php

Line Number: 27

Backtrace:

File: /customers/2/f/e/anmeldung-schule.de/httpd.www/application/controllers/Appointment.php
Line: 27
Function: _error_handler

File: /customers/2/f/e/anmeldung-schule.de/httpd.www/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /customers/2/f/e/anmeldung-schule.de/httpd.www/system/core/Exceptions.php:271)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /customers/2/f/e/anmeldung-schule.de/httpd.www/application/controllers/Appointment.php
Line: 37
Function: redirect

File: /customers/2/f/e/anmeldung-schule.de/httpd.www/index.php
Line: 315
Function: require_once