How To Fix /PLMB/BA_GSS520 - Value of attribute "&3" in target &1 with key &2 differs from source

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_GSS -

• Message number: 520

• Message text: Value of attribute "&3" in target &1 with key &2 differs from source

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_GSS520 - Value of attribute "&3" in target &1 with key &2 differs from source ?

  The SAP error message /PLMB/BA_GSS520 typically occurs in the context of data transfer or synchronization processes, particularly when dealing with Business Application Programming Interfaces (BAPIs) or data migration scenarios. This error indicates that there is a discrepancy between the source and target systems regarding a specific attribute value.
  Cause:
  The error message indicates that the value of a specific attribute (denoted by &3) in the target system (denoted by &1) does not match the value in the source system (denoted by &2). This can happen due to several reasons:
  
  Data Inconsistency: The data in the source and target systems may not be synchronized, leading to differences in attribute values.
  Manual Changes: Manual updates or changes in the target system after the initial data load can lead to discrepancies.
  Configuration Issues: Incorrect configuration settings in either the source or target system can lead to mismatched data.
  Data Migration Errors: Errors during data migration processes can result in incomplete or incorrect data being transferred.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Verify Data Consistency: Check the values of the attribute in both the source and target systems. Ensure that they are supposed to match based on your business logic.
  Update Target System: If the source value is correct, update the target system to reflect the correct value. This may involve manual updates or re-running the data transfer process.
  Check for Manual Changes: Investigate if there have been any manual changes made to the target system that could have caused the discrepancy.
  Review Migration Process: If this error occurred during a data migration, review the migration logs and processes to identify any issues that may have led to the discrepancy.
  Consult Documentation: Refer to SAP documentation or notes related to the specific BAPI or data transfer process you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to use transaction codes like SE11 (Data Dictionary), SE37 (Function Module), or SE80 (Object Navigator) to investigate the data structures and function modules involved.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message or the BAPI you are using.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant function modules to trace the data flow and identify where the discrepancy occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.