SAP Message /CWM/SD002 - Item &1 has no valid inventory valuation indicator

Diagnosis
The item has a special stock indicator (VBAP-SOBKZ) 'E' but no validinventory valuation indictor (VBAP-KZBWS).
In SAP CWM, only "Valuation without reference to sales document item"(VBAP-KZBWS = 'A') may be used for this combination.