How To Fix E4025 - Source and target message class may not be identical

SAP Error Message - Details

• Message type: E = Error

• Message class: E4 - Program maintenance functions within development system

• Message number: 025

• Message text: Source and target message class may not be identical

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 E4025 - Source and target message class may not be identical ?

  The SAP error message E4025, which states "Source and target message class may not be identical," typically occurs during the process of message handling in SAP, particularly when working with message classes in ABAP programs or during the configuration of certain functionalities.
  Cause:
  This error arises when there is an attempt to use the same message class for both the source and target in a message handling operation. In SAP, message classes are used to group messages for various purposes, such as error messages, warnings, and informational messages. The system expects that the source and target message classes should be different to avoid confusion and ensure proper message handling.
  Solution:
  To resolve this error, you should ensure that the source and target message classes are distinct. Here are the steps you can take:
  
  
  Identify the Message Classes: Check the ABAP code or configuration where the error is occurring. Identify the message classes being used for both the source and target.
  
  
  Change the Target Message Class: Modify the target message class to a different one that does not match the source message class. This can usually be done in the relevant configuration or ABAP code.
  
  
  Review Custom Code: If this error is coming from custom ABAP code, review the logic to ensure that the message classes are set correctly. You may need to refactor the code to use different message classes.
  
  
  Testing: After making the changes, test the functionality again to ensure that the error is resolved and that the messages are being handled correctly.
  
  
  Related Information:
  
  Message Classes: In SAP, message classes are defined in transaction SE91. You can create or modify message classes and their messages here.
  ABAP Development: If you are working with ABAP code, you can check the relevant sections of the code where messages are being raised or handled. Look for statements like MESSAGE or RAISE that might be using the same message class.
  SAP Notes: If the issue persists or if you suspect it might be a bug, check the SAP Support Portal for any relevant SAP Notes that might address this specific error.
  
  By ensuring that the source and target message classes are different, you should be able to resolve the E4025 error in SAP.