How To Fix WU491 - Conversion from purchase to sales unit unsuccessful

WU491 - Overview

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 491

• Message text: Conversion from purchase to sales unit unsuccessful

What causes this issue?

A price calculation is needed for the creation of pricing conditions. A
purchase price and sales price with the same unit are required for
this. Conversion of the purchasing unit into the sales unit failed
because the system did not find an appropriate conversion factor.

System Response

The whole item is not activated. The activation indicator is set to D =
incorrect.

How to fix this error?

Enter an appropriate conversion factor in material master maintenance.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU491 - Conversion from purchase to sales unit unsuccessful ?

  The SAP error message WU491, which states "Conversion from purchase to sales unit unsuccessful," typically occurs in the context of materials management and sales processes. This error indicates that there is an issue with the conversion of units of measure between purchasing and sales units for a specific material.
  Causes:
  
  Unit of Measure Configuration: The units of measure for the material may not be properly defined in the material master. This includes the base unit of measure, purchasing unit, and sales unit.
  Missing Conversion Factors: There may be missing or incorrect conversion factors between the purchase unit and sales unit in the material master.
  Material Master Data Issues: The material master data may not be correctly maintained, leading to inconsistencies in how units are defined and converted.
  Inconsistent Settings: The settings in the configuration for unit of measure conversions may not be consistent or correctly set up in the system.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the