Fatal error: Uncaught Error: Undefined class constant 'REQUESTTYPE_FE' in /homepages/45/d949538977/htdocs/schillerschule/index.php:19
Stack trace:
#0 /homepages/45/d949538977/htdocs/schillerschule/index.php(21): {closure}()
#1 {main}
thrown in /homepages/45/d949538977/htdocs/schillerschule/index.php on line 19