How To Fix NAA082 - The source unit is missing for unit conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 082

• Message text: The source unit is missing for unit conversion

Self-Explanatory Message

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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 NAA082 - The source unit is missing for unit conversion ?

  The SAP error message NAA082, which states "The source unit is missing for unit conversion," typically occurs in the context of unit conversion in SAP, particularly when dealing with materials, quantities, or measurements. This error indicates that the system is unable to find the source unit of measure that is required for the conversion process.
  Cause:
  
  Missing Source Unit: The primary cause of this error is that the source unit of measure is not defined in the system for the material or the context in which the conversion is being attempted.
  Incorrect Configuration: The unit of measure settings in the material master or the relevant configuration settings may not be correctly set up.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the unit of measure tables or incorrect relationships between units of measure.
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03) and check the unit of measure settings. Ensure that the source unit of measure is defined and correctly assigned.
  Verify that the base unit of measure is set correctly.
  
  
  
  Unit of Measure Configuration:
  
  Check the configuration settings for units of measure in the SAP system. This can be done through transaction code OME1 (for defining units of measure) and OME2 (for defining conversion factors).
  Ensure that the source unit of measure is defined and that conversion factors between the source and target units are correctly set up.
  
  
  
  Review Unit of Measure Tables:
  
  Check the relevant tables (e.g., T006 for units of measure) to ensure that the source unit is present and correctly configured.
  If necessary, add the missing unit or correct any discrepancies.
  
  
  
  Testing:
  
  After making the necessary changes, test the unit conversion again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on unit of measure configuration and troubleshooting.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material
  OME1: Define Units of Measure
  OME2: Define Conversion Factors
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit conversions and this error message.
  User Roles: Ensure that you have the necessary permissions to make changes to material master data and unit of measure configurations.
  
  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 material management or logistics.