How To Fix /SCWM/DLV_SERIAL220 - Unique item identifier &1 already exists in the warehouse

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/DLV_SERIAL -

• Message number: 220

• Message text: Unique item identifier &1 already exists in the warehouse

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 /SCWM/DLV_SERIAL220 - Unique item identifier &1 already exists in the warehouse ?

  The SAP error message /SCWM/DLV_SERIAL220 indicates that there is an attempt to create or process a unique item identifier (such as a serial number) in the warehouse that already exists. This typically occurs in the context of warehouse management processes where items are tracked by unique identifiers, such as serial numbers or batch numbers.
  Cause:
  
  Duplicate Serial Number: The most common cause of this error is that the serial number you are trying to use for a new item or delivery already exists in the system.
  Incorrect Data Entry: There may have been a mistake in data entry, leading to the same serial number being assigned to multiple items.
  System Configuration: The system may be configured to enforce strict uniqueness for serial numbers, which can lead to this error if not managed properly.
  Data Migration Issues: If data was migrated from another system, there may be duplicates that were not cleaned up.
  
  Solution:
  
  Check Existing Serial Numbers: Verify if the serial number you are trying to use is already in the system. You can do this by querying the database or using transaction codes like LS24 (Display Serial Numbers) to see if the serial number is already assigned.
  Use a Different Serial Number: If the serial number is indeed in use, you will need to use a different, unique serial number for the item you are trying to process.
  Correct Data Entry: If the serial number was entered incorrectly, correct the entry to ensure that it is unique.
  Review System Configuration: If you believe the error is due to system configuration, consult with your SAP administrator or technical team to review the settings related to serial number management.
  Data Cleanup: If the issue arises from data migration, perform a cleanup of the database to remove or consolidate duplicate entries.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LS24 for displaying serial numbers, MM03 for material master data, and LT03 for transfer orders.
  SAP Notes: Check SAP Notes for any known issues or patches related to serial number management in your version of SAP.
  Documentation: Review SAP documentation on warehouse management and serial number management for best practices and guidelines.
  User Training: Ensure that users involved in data entry and warehouse management are trained on the importance of unique identifiers and how to manage them effectively.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.