The German Translation is very buggy.
For example there is no button to add server to Favorite (this is just black, but you can click on it).
The second thing is, if you will safe your character for standart using there are two buttons: "Zurücksetzen" and "Abbrechen" (in Englisch it means "reset" and "back"). With the button "Zurücksetzten" ("reset") you can save the character.

Then in the crafting menue there are some options just black. In the english version you can see this options.