SAP Message 5C162 - A technical date of birth is valid => AHV Nr=nnn.yy.x00.npp (x=1 or 5) DOCUMENTATION DiagnosisA technical birthdate was entered for the employee in infotype"Personnel data" (0002) as the exact date of birth is not known.In this case the AHV number should be entered in the form nnn.yy.xpp,where x = 1 for men and x = 5 for women.