Source: eDirectory or NDS
Explanation: An attempt was made to create a schema class definition whose naming attribute list contains an attribute not specified as a mandatory or optional attribute in the base definition.
Or, an attempt was made to create a schema class definition whose naming attribute list contains an attribute that is inherited as mandatory or optional from any of the schema class definitions of the base class' super classes.
Possible Cause: A program fault occurred in the application used to create the schema class definition.
Action: Contact the developer of the application.