Ok Tanks i will try it.

I´ve removed the /index.php/. The problem was still there. Do you have other options to fix the problem? Here ist the current permlink: /index.php/%ye...

And here is the second one. Permalink: /index.php/%year%/%monthnum%/%day%/%postname% Unbenannt1.PNG

Here is the first screenshot Unbenannt.PNG

Hey, This link does not help me. Still the same problem. This problem also appears if I try to edit the members in Wordpress.