Solution : https://service.sap.com/sap/support/notes/501167 (SAP Service marketplace login required)
Key words :
account assignment dialog box requesting, account assignment dialog box, support packages sapkh46b37, sap ordering transactions, longer works correctly, transaction ml81/ml81n, evaluated receipt settlement, enter tax code', transaction me21/me21n, control indicator disappears
Related Notes :
492235 | VI02/BAPI:Entry sheet with zero value or update termination |