An uncaught Exception was encountered

Type: ArgumentCountError

Message: Too few arguments to function Abfrage::Jahresplan(), 1 passed in /homepages/20/d465362671/htdocs/CI_SYS_APP/system/core/CodeIgniter.php on line 529 and exactly 2 expected

Filename: /homepages/20/d465362671/htdocs/CI_SYS_APP/application/tsaplan/controllers/Abfrage.php

Line Number: 110