How To Fix E4201 - Program type changed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 201

• Message text: Program type changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message E4201 - Program type changed ?

  The SAP error message E4201, which states "Program type changed," typically occurs when there is a mismatch between the program type defined in the ABAP Dictionary and the program type that is being executed. This can happen for various reasons, such as changes made to the program or its attributes, or inconsistencies in the transport system.
  Causes:
  
  Program Modification: The program has been modified in a way that changes its type (e.g., from a report to a module pool).
  Transport Issues: If the program was transported from one system to another, and the transport did not include all necessary objects or dependencies, it could lead to inconsistencies.
  Development Environment Changes: Changes made in the development environment that are not reflected in the production environment can cause this error.
  Version Conflicts: If multiple versions of the program exist in different environments, it may lead to conflicts.
  
  Solutions:
  
  Check Program Attributes: Verify the program attributes in the ABAP Dictionary (SE80 or SE38) to ensure they are correctly defined.
  Transport Consistency: Ensure that all necessary transports have been correctly imported into the target system. Check for any missing objects or dependencies.
  Recompile the Program: Sometimes recompiling the program can resolve the issue. You can do this by going to the program in SE38 and choosing "Activate" or "Check."
  Clear Buffer: Clear the SAP buffer to ensure that the latest version of the program is being executed. You can do this using transaction code SM12 or SM21.
  Check for Locks: Use transaction SM12 to check for any locks on the program that might be causing issues.
  Review Change Logs: Check the change logs to see if any recent changes might have caused the issue.
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE38 (ABAP Editor), SM12 (Lock Entries), SM21 (System Log).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to E4201.
  Documentation: Review the SAP Help Portal for documentation on program types and their attributes.
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or reach out to SAP support for further assistance.