How To Fix /SCWM/SHP_RCV216 - Duplicate external numbers for transportation units are not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/SHP_RCV -

• Message number: 216

• Message text: Duplicate external numbers for transportation units are not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/SHP_RCV216 - Duplicate external numbers for transportation units are not permitted ?

  The SAP error message /SCWM/SHP_RCV216 Duplicate external numbers for transportation units are not permitted typically occurs in the context of the SAP Extended Warehouse Management (EWM) module when there are duplicate external identification numbers for transportation units (TUs). This can happen during the creation or processing of transportation units, such as during inbound or outbound deliveries.
  Cause:
  
  Duplicate External Numbers: The primary cause of this error is that the system has detected that the external number assigned to a transportation unit already exists in the system. Each transportation unit must have a unique external number to avoid confusion and ensure proper tracking.
  Data Entry Errors: Manual entry errors or incorrect data imports can lead to duplicate external numbers being assigned.
  Integration Issues: If there are integrations with other systems (like an ERP system), it’s possible that the same external number is being sent multiple times.
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like /SCWM/TO or relevant reports to check for existing transportation units with the same external number.
  You can also run a query in the database to find duplicates.
  
  
  
  Correct the External Number:
  
  If you find duplicates, you will need to either change the external number of the new transportation unit or delete the duplicate entry if it is not needed.
  Ensure that the external number is unique before attempting to create or process the transportation unit again.
  
  
  
  Review Data Entry Processes:
  
  If the issue arises from manual data entry, consider implementing validation checks to prevent duplicates.
  If the issue is from data imports, review the import process to ensure that it checks for existing external numbers before inserting new records.
  
  
  
  Integration Checks:
  
  If the error is related to integration with other systems, ensure that the external number generation logic is consistent across systems to avoid conflicts.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to transportation units and external number management for additional guidance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to transportation units in EWM, such as /SCWM/TO, /SCWM/PR, etc.
  User Exits and BAdIs: If you have custom logic implemented, review any user exits or BAdIs that might affect the handling of external numbers.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.