Diagnosis
This error may have several causes:
1. the number range has not been created
2. the number range was not created as an "internal" range
3. the number range object has not been defined (table TNRO)
4. the number of required numbers must be greater than 0 (programerror)

System Response
Processing is cancelled.

Procedure
Please contact your system administrator. Processing can only becontinued after the error has been corrected.