How To Fix /SCWM/L3509 - Source transportation unit is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/L3 -

• Message number: 509

• Message text: Source transportation unit is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/L3509 - Source transportation unit is not unique ?

  The SAP error message /SCWM/L3509 indicates that the source transportation unit (TU) is not unique. This typically occurs in the context of warehouse management and logistics execution within the SAP Extended Warehouse Management (EWM) module. The error suggests that the system has encountered multiple transportation units that match the criteria for a given operation, leading to ambiguity.
  Cause:
  
  Duplicate Transportation Units: There may be multiple transportation units in the system that have the same identification or characteristics, causing the system to be unable to determine which one to use.
  Incorrect Configuration: The configuration of transportation units or the way they are being processed may not be set up correctly, leading to conflicts.
  Data Integrity Issues: There may be issues with the data in the system, such as incorrect entries or missing information that leads to multiple TUs being recognized as the same.
  
  Solution:
  
  Check for Duplicates: Review the transportation units in the system to identify any duplicates. You can do this by checking the TU numbers or other identifying attributes.
  Correct Data Entries: Ensure that all transportation units are correctly entered into the system without duplicates. If duplicates are found, you may need to delete or merge them as appropriate.
  Review Configuration: Check the configuration settings for transportation units in SAP EWM. Ensure that the settings are correctly defined to avoid conflicts.
  Use Unique Identifiers: If possible, ensure that each transportation unit has a unique identifier to prevent this issue from occurring in the future.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling transportation units and resolving conflicts.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SCWM/TU to view and manage transportation units.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  By following these steps, you should be able to resolve the /SCWM/L3509 error and ensure that your transportation units are processed correctly in the SAP EWM system.