How To Fix CM_EHPMA_SVT_LOGS301 - Missing unit conversion to mass for material &1, material document &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHPMA_SVT_LOGS - Log messages for GLayer and OLayer Processing

• Message number: 301

• Message text: Missing unit conversion to mass for material &1, material document &2.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHPMA_SVT_LOGS301 - Missing unit conversion to mass for material &1, material document &2. ?

  The SAP error message CM_EHPMA_SVT_LOGS301 indicates that there is a missing unit conversion to mass for a specific material and material document. This error typically arises in the context of materials management and inventory management processes, particularly when dealing with materials that have different units of measure.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Unit of Measure (UoM) Configuration: The material in question may not have a defined conversion factor for the unit of measure to mass. This can happen if the material is defined with a non-standard unit of measure that does not have a corresponding mass conversion.
  Incorrect Material Master Data: The material master data may be incomplete or incorrectly configured, particularly in the units of measure section.
  Material Document Issues: The material document referenced may not have the necessary information for the system to perform the conversion.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify the units of measure defined for the material. Ensure that there is a conversion factor for the unit of measure to mass (e.g., kilograms).
  If the conversion is missing, you can add it by going to the "Units of Measure" view and defining the necessary conversion factors.
  
  
  
  Update Unit of Measure Configuration:
  
  If the material is using a custom unit of measure, ensure that it is properly configured in the system. You can check this in the configuration settings (transaction code OMW1 for unit of measure settings).
  Ensure that the unit of measure is linked to a base unit of measure that has a defined mass.
  
  
  
  Review Material Document:
  
  Check the material document referenced in the error message to ensure that it is correctly recorded and that all necessary data is present.
  If the document is incorrect, you may need to reverse or correct it.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that can resolve underlying issues.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  OMW1: Maintain Units of Measure
  
  
  Documentation: Refer to SAP Help documentation for detailed information on material master data and unit of measure configuration.
  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 error message CM_EHPMA_SVT_LOGS301 in your SAP system.