How To Fix /PLMI/AL_GSS056 - Target change number &1 is mapped to more than one source change number

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/AL_GSS -

• Message number: 056

• Message text: Target change number &1 is mapped to more than one source change number

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/AL_GSS056 - Target change number &1 is mapped to more than one source change number ?

  The SAP error message /PLMI/AL_GSS056 indicates that a target change number is mapped to more than one source change number in the context of change management, particularly in the area of change request management or project management within SAP.
  Cause:
  This error typically arises when there is a configuration or data integrity issue in the change management system. Specifically, it means that the system has detected that a single target change number is associated with multiple source change numbers, which is not allowed. This can happen due to:
  
  Data Entry Errors: Incorrectly entered data during the mapping of change numbers.
  Configuration Issues: Misconfiguration in the change management settings or rules.
  System Bugs: Potential bugs in the SAP system that lead to incorrect mappings.
  Duplicate Entries: Duplicate entries in the database that have not been resolved.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Change Number Mappings:
  
  Go to the relevant transaction (e.g., CC01, CC02, or CC03 for change numbers) and review the mappings for the target change number in question.
  Ensure that each target change number is only mapped to one source change number.
  
  
  
  Identify Duplicates:
  
  Use transaction codes like SE16 or SE11 to access the relevant database tables (e.g., TCULM, TCULM_T) and check for duplicate entries.
  If duplicates are found, determine which entries are valid and remove or correct the duplicates.
  
  
  
  Review Configuration:
  
  Check the configuration settings for change management in your SAP system to ensure that they are set up correctly.
  Consult with your SAP Basis or configuration team if necessary.
  
  
  
  Consult Documentation:
  
  Review SAP Notes and documentation related to change management for any known issues or additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the mappings and configuration, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Change Management in SAP: Understanding how change numbers work in SAP is crucial. Change numbers are used to track changes in various objects, and proper mapping is essential for maintaining data integrity.
  SAP Notes: Regularly check SAP Notes for updates or patches that may address known issues related to change management.
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing change numbers, such as CC01 (Create Change Number), CC02 (Change Change Number), and CC03 (Display Change Number).
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /PLMI/AL_GSS056.