How To Fix XU042 - Unit of measure & is not a product un. Qty stored is being recalculated.

SAP Error Message - Details

• Message type: E = Error

• Message class: XU - Messages for Quantity Conversion at Batch Level (Steel-AI)

• Message number: 042

• Message text: Unit of measure & is not a product un. Qty stored is being recalculated.

What causes this issue?

You have entered a quantity in alternative units of measure and
stockkeeping units for a material with product units. The alternative
unit of measure entered is not a product unit. The conversion factor
between stockkeeping unit and this alternative unit of measure cannot
be changed.

System Response

The quantity in stockkeeping units is calculated from the quantity you
entered in alternative units of measure. The quantity you entered in
stockkeeping units is lost.

How to fix this error?

The conversion factor between the alternative unit of measure entered
and the stockkeeping unit can onlky be changed in the material master.
Alternatively, you can define this alternative unit of measure as a
product unit in the material master.
Caution
Changes in the material master can result in inconsistencies in the
material stock.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XU042 - Unit of measure & is not a product un. Qty stored is being recalculated. ?

  The SAP error message XU042 indicates that there is an issue with the unit of measure (UoM) for a product in the system. Specifically, it suggests that the unit of measure being used is not recognized as a valid product unit, which can lead to discrepancies in quantity calculations.
  Cause:
  
  Invalid Unit of Measure: The unit of measure specified for the product is not defined in the system or is not set up correctly.
  Configuration Issues: The product may not have the correct unit of measure assigned in its master data.
  Data Inconsistencies: There may be inconsistencies in the data, such as mismatched units of measure between different documents (e.g., purchase orders, sales orders, inventory records).
  Unit of Measure Conversion: If the system is trying to convert between different units of measure and the conversion factors are not set up correctly, this error can occur.
  
  Solution:
  
  
  Check Product Master Data:
  
  Go to the material master record (transaction code MM03) and verify the unit of measure settings for the product in question.
  Ensure that the base unit of measure and any alternative units of measure are correctly defined.
  
  
  
  Review Unit of Measure Configuration:
  
  Check the configuration settings for units of measure in the system (transaction code OME1 for defining units of measure).
  Ensure that the unit of measure is active and correctly linked to the product.
  
  
  
  Correct Data Inconsistencies:
  
  Review any related documents (e.g., purchase orders, sales orders) to ensure that the units of measure are consistent across all documents.
  If discrepancies are found, correct them in the relevant documents.
  
  
  
  Check Conversion Factors:
  
  If applicable, verify that the conversion factors between different units of measure are correctly defined in the system (transaction code OME2).
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant notes or updates that may address this specific error message.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  OME1: Define Units of Measure
  OME2: Define Conversion Factors
  
  
  Documentation: Refer to SAP Help documentation for detailed information on unit of measure settings and configuration.
  User Roles: Ensure that the user has the necessary permissions to view and edit material master data and configuration settings.
  
  By following these steps, you should be able to identify the root cause of the XU042 error and implement the necessary corrections to resolve it.