Solution : https://service.sap.com/sap/support/notes/167385 (SAP Service marketplace login required)
Key words :
additional key words mr01, 'field ek08b-zaehk input, screen field' occurs, start transaction se11, transaction mr08, domain 'zaehk', error occurs, enter 'zaehk', invoice document, error e348
Related Notes :
| 168887 | AFS V1.0D2 Fixpack #5 including HP/LCP 27-31 |