Diagnosis
The month of birth, which is the fourth and fifth figure of the SocialSecurity number, is incorrect.

System Response
The system checks your entry in comparison with the information saved inthe Identity (0002) infotype and signals the incompatibility.

Procedure
Change your entry accordingly.
You can ignore this message if the month of birth is unknown. In thiscase a code between 20 and 42 or 50 and 99 can be input into the SocialSecurity number.