How To Fix MDG_BS_MAT_SI031 - Conversion not possible; maintain a base unit of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_MAT_SI - Message Class : Material Replication Services Implementation

• Message number: 031

• Message text: Conversion not possible; maintain a base unit of measure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_MAT_SI031 - Conversion not possible; maintain a base unit of measure ?

  The SAP error message MDG_BS_MAT_SI031 indicates that there is an issue with the base unit of measure for a material in the Master Data Governance (MDG) system. This error typically occurs when you are trying to create or change a material master record, and the system cannot perform the conversion because the base unit of measure is not maintained or is incorrect.
  Cause:
  
  Missing Base Unit of Measure: The material master record does not have a base unit of measure defined.
  Incorrect Base Unit of Measure: The base unit of measure defined is not valid or does not correspond to the material type.
  Configuration Issues: There may be issues in the configuration settings related to units of measure in the system.
  Data Inconsistencies: There may be inconsistencies in the data being entered, such as trying to convert between units that are not compatible.
  
  Solution:
  
  
  Maintain Base Unit of Measure:
  
  Go to the material master record in the relevant transaction (e.g., MM01 for creation or MM02 for change).
  Ensure that the base unit of measure is correctly maintained in the Basic Data view.
  If the material is already created, you can change it by navigating to the appropriate view and entering a valid base unit of measure.
  
  
  
  Check Configuration:
  
  Verify the configuration settings for units of measure in the SAP system. This can be done in the SPRO transaction under:
  
  Logistics - General > Material Master > Basic Settings > Units of Measure.
  
  
  Ensure that the base unit of measure is defined and that it is valid for the material type you are working with.
  
  
  
  Data Validation:
  
  Check the data being entered for any inconsistencies or errors. Ensure that the units of measure being used are compatible and correctly defined in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on maintaining material master data and units of measure.
  
  
  
  Testing:
  
  After making the necessary changes, test the creation or modification of the material master record again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Material Master Data: The material master is a central repository of information about materials in SAP. It includes various views that contain data relevant to different areas such as purchasing, sales, and inventory management.
  Units of Measure: Units of measure are critical in SAP for ensuring that quantities are correctly interpreted and converted across different processes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.