I can not add roles

I can not add roles

Hi,
I am using build 7607 with IE 8 and Firefox 3.6.8
In the Admin-Tab when I want to add a new role, I click the save-button and nothing happens. The role is not created.
In IE8 it says, there are errors on the page.

Right now I can not create a single role. I am using the german version of Firefox and IE.

Can anybody help me?

Juergen











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