How To Fix RDM_BBY309 - Unit of measure &1 for variant &2 not found in its generic material

SAP Error Message - Details

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 309

• Message text: Unit of measure &1 for variant &2 not found in its generic material

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 RDM_BBY309 - Unit of measure &1 for variant &2 not found in its generic material ?

  The SAP error message RDM_BBY309 indicates that there is an issue with the unit of measure (UoM) for a specific variant of a material. This error typically occurs when the system cannot find the specified unit of measure for the variant in the generic material's data.
  Cause:
  
  Missing Unit of Measure: The specified unit of measure for the variant is not defined in the generic material's master data.
  Incorrect Configuration: The variant may not be properly configured to inherit the unit of measure from the generic material.
  Data Inconsistency: There may be inconsistencies in the material master data, such as missing entries or incorrect settings.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record for the generic material and check the "Units of Measure" tab.
  Ensure that the required unit of measure is defined for the generic material.
  
  
  
  Maintain Unit of Measure for Variant:
  
  If the unit of measure is missing for the variant, you need to add it. You can do this by:
  
  Navigating to the variant's material master record.
  Adding the required unit of measure in the appropriate section.
  
  
  
  
  
  Review Configuration:
  
  Ensure that the variant is correctly configured to inherit properties from the generic material. This may involve checking the configuration settings in the variant configuration (if applicable).
  
  
  
  Data Consistency Check:
  
  Run a consistency check on the material master data to identify any discrepancies or missing information.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific instructions related to your version of SAP, as the steps may vary slightly.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MM03 (Display Material), MM02 (Change Material), or MM01 (Create Material) to access and modify material master data.
  Unit of Measure Settings: Familiarize yourself with the settings related to units of measure in SAP, including how they are defined and maintained.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error 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 a functional consultant who specializes in material management.