How To Fix WN100 - Screen control changing

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 100

• Message text: Screen control changing

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 WN100 - Screen control changing ?

  The SAP error message WN100, which states "Screen control changing," typically occurs when there is an issue with the screen control in a transaction or program. This error can arise due to various reasons, including:
  Causes:
  
  Screen Configuration Issues: The screen layout or configuration may have been altered, leading to inconsistencies in how the screen is displayed or controlled.
  Program Logic Errors: There may be issues in the ABAP code that controls the screen flow, such as incorrect screen numbers or logic that does not properly handle user input.
  User Authorization: Sometimes, the user may not have the necessary authorizations to access certain fields or screens, leading to control issues.
  Custom Enhancements: If there are custom enhancements or modifications in the program, they may conflict with standard SAP behavior.
  SAP Notes: There may be known issues or bugs in the version of SAP you are using that have been documented in SAP Notes.
  
  Solutions:
  
  Check Screen Configuration: Review the screen configuration in the Screen Painter (SE80) or the relevant transaction to ensure that all elements are correctly defined.
  Debugging: Use the ABAP debugger to step through the program and identify where the control flow is failing. Look for any logic that may be incorrectly handling screen transitions.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the screens and fields involved in the transaction.
  Check for Custom Code: If there are custom enhancements, review the code to ensure it does not interfere with standard SAP functionality. Consider temporarily disabling custom code to see if the issue persists.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. Applying a relevant note may resolve the issue.
  Consult Documentation: Review the documentation for the specific transaction or program to ensure that it is being used correctly.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to analyze the program or function module associated with the error.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists and is critical, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the WN100 error in SAP.