Duplicate identifier in norEduOrgUnitUniqueIdentifier#
Users can be associated with one or more organization units. For universities and university colleges, this is typically faculties and departments. For primary and secondary education, these are the actual schools of the user.
Each organization unit / school must have a unique identifier. If more than one organization unit has the same identifier, you should check whether a school or organization unit has been duplicated in the user directory.
For primary and secondary schools, the value in norEduOrgUnitUniqueIdentifier is the organization number of the school.