How To Fix EE_TOUE048 - Exception with external ID &1 is not unique for exception source &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EE_TOUE - TOU Exception Messages

• Message number: 048

• Message text: Exception with external ID &1 is not unique for exception source &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EE_TOUE048 - Exception with external ID &1 is not unique for exception source &2 ?

  The SAP error message EE_TOUE048 indicates that there is an issue with the uniqueness of an external ID associated with a specific exception source. This typically occurs in scenarios where the system expects a unique identifier for a particular entity, but it finds multiple entries that match the given external ID.
  Cause:
  
  Duplicate External IDs: The most common cause of this error is that there are multiple records in the database that share the same external ID for the specified exception source. This can happen due to data entry errors, incorrect data imports, or issues with data synchronization between systems.
  Configuration Issues: There may be configuration settings that do not enforce uniqueness for external IDs, leading to duplicates being created.
  Data Migration Issues: If data has been migrated from another system, it is possible that the external IDs were not properly validated for uniqueness during the migration process.
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to query the relevant database table and identify the records that have the same external ID for the specified exception source.
  Data Cleanup: Once duplicates are identified, you will need to decide how to handle them. This could involve:
  
  Deleting the duplicate records if they are not needed.
  Merging records if they contain complementary information.
  Updating the external IDs to ensure uniqueness.
  
  
  Review Configuration: Check the configuration settings related to the exception source and external IDs to ensure that uniqueness constraints are enforced.
  Data Validation: Implement data validation checks during data entry or data import processes to prevent the creation of duplicate external IDs in the future.
  Consult Documentation: Review SAP documentation or consult with SAP support for specific guidance related to your version and configuration of SAP.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and SE78 (SAP Archive Link) to help in identifying and managing data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new duplicates are created.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.