How To Fix /SCMB/DM_DLV156 - Unit of measurement is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/DM_DLV -

• Message number: 156

• Message text: Unit of measurement is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/DM_DLV156 - Unit of measurement is invalid ?

  The SAP error message /SCMB/DM_DLV156 Unit of measurement is invalid typically occurs in the context of SAP Supply Chain Management (SCM) when there is an issue with the unit of measurement (UoM) being used in a delivery or logistics process. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Incorrect UoM Configuration: The unit of measurement may not be correctly defined in the system or may not be compatible with the material being processed.
  Missing UoM in Master Data: The UoM might not be maintained in the material master data for the specific material.
  Inconsistent UoM Usage: The UoM used in the delivery document may not match the UoM defined in the material master or the UoM expected in the transaction.
  Unit of Measurement Conversion Issues: If there are conversion factors defined between different UoMs, they may not be set up correctly, leading to this error.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might be causing conflicts with standard UoM processing.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify that the UoM is correctly defined in the Basic Data view and the Sales view.
  Ensure that the UoM is valid and active.
  
  
  
  Review UoM Configuration:
  
  Check the configuration of units of measurement in the system (transaction code OMN3 for UoM settings).
  Ensure that the UoM is defined and that any necessary conversion factors are correctly set up.
  
  
  
  Validate Delivery Document:
  
  Review the delivery document to ensure that the UoM used matches the UoM defined in the material master.
  If necessary, change the UoM in the delivery document to match the valid UoM.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments or enhancements, review them to ensure they are not interfering with standard UoM processing.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message or provide additional guidance.
  
  
  
  Testing:
  
  After making changes, perform tests to ensure that the error no longer occurs and that the delivery process can be completed successfully.
  
  
  
  Related Information:
  
  Unit of Measurement Types: Understand the different types of UoMs (base unit, sales unit, purchase unit) and how they interact in the system.
  Documentation: Refer to SAP documentation for detailed information on UoM configuration and management.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to material master data and UoM settings.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.