SAP Message 5N652 - CSN unknown, anonymity tax applied

Diagnosis
The Citizen Service Number is not recognised. Starting 01 January 2008,the anonymity tax must be applied to employees without a CSN. THis isnot yet the case for this employee,.

System Response
The anonymity tax will be applied to this employee, by setting theSpecial Employee Group (AUSNA) code to 940. The Conversion Rule(KDLHF) and the Calculation Table (TABEL) will also be deleted.

Procedure
If you do have the correct CSN, you must enter it in infotypePersonal Data (0002) and update the infotype Wage Tax(0060) again.