How To Fix /PLMB/BA_GSS521 - Value of attribute "&3" in source &1 with key &2 has changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_GSS -

• Message number: 521

• Message text: Value of attribute "&3" in source &1 with key &2 has changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_GSS521 - Value of attribute "&3" in source &1 with key &2 has changed ?

  The SAP error message /PLMB/BA_GSS521 indicates that there is a discrepancy in the value of a specific attribute in a source system. This error typically arises in the context of SAP Product Lifecycle Management (PLM) or similar applications where data consistency is crucial.
  Cause:
  The error message is triggered when the value of an attribute (denoted by &3) in a source (denoted by &1) with a specific key (denoted by &2) has changed unexpectedly. This can happen due to several reasons, including:
  
  
  Data Synchronization Issues: If the data is being synchronized between different systems (e.g., between a production system and a development/test system), changes made in one system may not be reflected in another.
  
  
  Manual Changes: Users may have manually changed the attribute value in the source system, leading to a mismatch.
  
  
  Data Migration: During data migration or updates, if the data is not handled correctly, it can lead to inconsistencies.
  
  
  Configuration Changes: Changes in the configuration of the system or the data model can also lead to this error.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Source System: Verify the value of the attribute in the source system. Ensure that it matches the expected value.
  
  
  Data Consistency Check: Perform a consistency check between the systems involved. This may involve comparing the data in the source and target systems to identify discrepancies.
  
  
  Review Change Logs: If available, review the change logs to identify when and how the attribute value was changed. This can help in understanding the root cause.
  
  
  Revert Changes: If the change was not intended, consider reverting the attribute value to its previous state.
  
  
  Update the Target System: If the change is valid and should be reflected in the target system, update the target system accordingly to ensure consistency.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any additional guidance or known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to check data consistency or perform updates (e.g., SE11 for data dictionary, SE16 for table display).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to make changes to the data in question.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.