BS-7588 
- An organization with 2 roles with the same name is not a valid orga.
The import cancel with a message (English OK with Nigel, Italian done by
Fabio and French by me).Key has been added in all other language to have
english in the worst case.
- If a not valid orga already exists in the Studio, the Finish button
while managing Orga is disable until it is not a valid organization.