Solution : https://service.sap.com/sap/support/notes/490460 (SAP Service marketplace login required)
Key words :
application area msgno allowed standard switch offks 899 se, application area 'ks', -existing controlling area, currency key exist, possibly user-dependent, attached program corrections, customize message ks899, issue message ks899, respective message ki101, standard system
Related Notes :
| 943111 | BAPI_COSTCENTER_CREATEMULTIPLE: Checking existence |
| 606933 | OKEON: Business area is no required entry field |