Solution : https://service.sap.com/sap/support/notes/196692 (SAP Service marketplace login required)
Key words :
missing' additional key words vf021, customer master table kna1, error message vf021, order billing document, business partner, business transaction, prerequisites solution, advance correction, 'customer &
Related Notes :
193633 | IS-M: Overview of corrections for Release 4.02/3 |