FCKEditor with CI + Modular Extension

[eluser]Daeli[/eluser]
Hey guys,

currently iam trying to get FCKEditor running with my Project. Also i want to use FCKEditors filebrowser to store media / data. The problem i want to ask you for help is the filebrowser. When i try to open it the following error occurs:

*WARNING: German error message *


I think the problem is the url it tryes to open.

I appreciate your help,
daeli