Message SAP WS056 - Conversion factor replaced by one already defined

Diagnosis
The conversion factor of the base unit ofmeasure in the billing document unit which you entered does notagree with the conversion factor defined in the system.

Procedure
INCLUDE NA_EINGABE_PRUEFEN
DEFINE &OBJEKTE& = 'Units of measure'
INCLUDE NA_EINK_CUST
IF &DEVICE& = 'SCREEN'
Check units of measure
Endif