When updating an old group role name, you will need to add a description for the role, by typing in for example ROLE1 in the description you will be able to fix the issue.
When creating a group rank you must create a description for the rank otherwise you will be notified with a message saying "A roleset with that name already exists!"
Heres how to do it in 3 simple steps
1. Choose the option "Create New"
2. Fill out all the tabs |Name|Description|Rank|
3. Voilà! |