How To Fix W#439 - Quantity cut off when unit &1 converted to &2 (issue document &3, &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: W# -

• Message number: 439

• Message text: Quantity cut off when unit &1 converted to &2 (issue document &3, &4)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W#439 - Quantity cut off when unit &1 converted to &2 (issue document &3, &4) ?

  The SAP error message W#439 indicates that there is a quantity cutoff issue when converting a unit of measure (UoM) from one type to another. This typically occurs during processes such as goods movements, inventory management, or when handling materials in different units of measure.
  Cause:
  The error message is triggered when the system detects that the quantity being processed cannot be accurately converted from the source unit of measure (&1) to the target unit of measure (&2) due to a cutoff or rounding issue. This can happen for several reasons, including:
  
  Inconsistent UoM Settings: The conversion factors between the two units of measure may not be properly defined in the material master data.
  Decimal Places: The number of decimal places allowed for the source or target unit of measure may not accommodate the conversion, leading to truncation or rounding errors.
  Quantity Limits: The quantity being processed may exceed the limits set for the target unit of measure.
  Configuration Issues: There may be configuration issues in the system related to how units of measure are handled.
  
  Solution:
  To resolve the W#439 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record and verify the unit of measure settings.
  Ensure that the conversion factors between the units of measure are correctly defined.
  
  
  
  Review Decimal Places:
  
  Check the decimal places defined for both the source and target units of measure. Adjust them if necessary to allow for accurate conversions.
  
  
  
  Adjust Quantity:
  
  If possible, adjust the quantity being processed to ensure it falls within acceptable limits for the target unit of measure.
  
  
  
  Configuration Review:
  
  Review the configuration settings in the SAP system related to units of measure. Ensure that they are set up correctly according to business requirements.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling unit of measure conversions and related error messages.
  
  
  
  Testing:
  
  After making adjustments, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM02 (Change Material), MM03 (Display Material), or MMBE (Stock Overview) to check and modify material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Exits and BAdIs: If custom logic is involved in the conversion process, review any user exits or BAdIs that may affect unit of measure handling.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management.