How To Fix W#412 - Error during unit conversion of &1 to &2 (document &3, material &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: W# -

• Message number: 412

• Message text: Error during unit conversion of &1 to &2 (document &3, material &4)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message W#412 - Error during unit conversion of &1 to &2 (document &3, material &4) ?

  The SAP error message W#412 indicates that there is an issue with unit conversion for a specific material in a document. This error typically arises when the system is unable to convert the quantity of a material from one unit of measure to another. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Missing Unit of Measure (UoM) Configuration: The material may not have the necessary unit of measure conversions defined in the material master.
  Incorrect Unit of Measure: The unit of measure used in the document may not be compatible with the unit of measure defined for the material.
  Decimal Places Configuration: The number of decimal places defined for the units of measure may not match, leading to conversion issues.
  Material Master Data Issues: There may be inconsistencies or missing data in the material master record.
  Unit of Measure Group Issues: The unit of measure group assigned to the material may not be set up correctly.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the unit of measure settings.
  Ensure that the required units of measure are defined and that the conversion factors are correct.
  
  
  
  Review Document Details:
  
  Check the document (e.g., purchase order, sales order) for the units of measure being used.
  Ensure that the units of measure in the document match those defined in the material master.
  
  
  
  Adjust Decimal Places:
  
  Verify the decimal places for the units of measure in the configuration (transaction code OME1).
  Ensure that the decimal places are consistent across the relevant units of measure.
  
  
  
  Unit of Measure Group Configuration:
  
  Check the unit of measure group assigned to the material (transaction code OME2).
  Ensure that it is correctly configured and includes all necessary units of measure.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address specific issues related to unit conversion errors. You can use the SAP Support Portal for this.
  
  
  
  Testing:
  
  After making changes, test the document processing again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  OME1: Maintain Units of Measure
  OME2: Maintain Unit of Measure Groups
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on unit of measure configuration and material master data management.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the W#412 error in SAP.