We use two group names with non-ASCII characters on our Jira server.
One group for office (named: Büro), one for the CEO (named: Geschäftsführer).
These groups are defective in the GUI.
When an administrator navigates to the menu entry Users:Groups and clicks the delete or edit-link of the group named Büro,
then confirms, the following message is displayed:
--------
Fehler
Gruppe 'Büro' ist keine gültige Gruppe.
--------
Translation:
--------
Error
Group 'Büro' is an invalid group.
--------
This occours in the current versions of IE, Chrome and FF.
Best regards
Tobias Bräutigam