How To Fix WB2B2129 - Assignment UoM &1 shall be changed.Adjust the convers. factors.Item &2|&3

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B2 - Trading Contract (part 2)

• Message number: 129

• Message text: Assignment UoM &1 shall be changed.Adjust the convers. factors.Item &2|&3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B2129 - Assignment UoM &1 shall be changed.Adjust the convers. factors.Item &2|&3 ?

  The SAP error message WB2B2129 indicates that there is an issue with the assignment of the Unit of Measure (UoM) for a specific item in the system. This error typically arises when the conversion factors between different units of measure for a material are not correctly defined or are inconsistent.
  Cause:
  
  Incorrect Conversion Factors: The conversion factors between the base unit of measure and the alternative units of measure for the item are not set correctly.
  Missing UoM Definitions: The UoM definitions for the item may be incomplete or missing.
  Inconsistent UoM Assignments: The UoM assigned to the item may not match the expected values in the system, leading to discrepancies.
  Data Migration Issues: If data was migrated from another system, there may be inconsistencies in UoM assignments or conversion factors.
  
  Solution:
  
  
  Check UoM Settings:
  
  Go to the material master record for the affected item (transaction code MM03).
  Check the UoM settings in the Basic Data and Purchasing views.
  Ensure that the base unit of measure and any alternative units of measure are correctly defined.
  
  
  
  Adjust Conversion Factors:
  
  Navigate to the UoM conversion settings (transaction code CUNI).
  Verify and adjust the conversion factors for the affected item to ensure they are consistent and correct.
  
  
  
  Review Material Master Data:
  
  Ensure that all relevant data in the material master is complete and accurate.
  If necessary, update the material master with the correct UoM and conversion factors.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on UoM settings and conversion factors.
  
  
  
  Testing:
  
  After making adjustments, test the changes by attempting the transaction that previously resulted in the error to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on UoM assignments.
  User Roles: Ensure that you have the necessary permissions to make changes to material master data and UoM settings.
  
  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 for further assistance.