Fatal error: Uncaught Error: Call to undefined method Assignment::IsPublished() in D:\www\ikonderzoekwater.nl\www\site\Frontend\Pages\init.assignments.php:103 Stack trace: #0 D:\www\ikonderzoekwater.nl\www\site\Frontend\Pages\template.assignment.php(2): include_once() #1 D:\www\ikonderzoekwater.nl\www\site\Frontend\Pages\html.content.php(14): include_once('D:\\www\\ikonderz...') #2 D:\www\ikonderzoekwater.nl\www\site\Frontend\Pages\html.body.php(6): include_once('D:\\www\\ikonderz...') #3 D:\www\ikonderzoekwater.nl\www\site\index.php(34): include_once('D:\\www\\ikonderz...') #4 {main} thrown in D:\www\ikonderzoekwater.nl\www\site\Frontend\Pages\init.assignments.php on line 103