How To Fix AXT_MODEL155 - View or window with name &2 already exists for the component &1

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 155

• Message text: View or window with name &2 already exists for the component &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL155 - View or window with name &2 already exists for the component &1 ?

  The SAP error message AXT_MODEL155 indicates that there is an attempt to create or open a view or window in the SAP application that already exists. This typically occurs in the context of SAP GUI or Web Dynpro applications where multiple instances of the same view or window are not allowed.
  Cause:
  
  Duplicate View/Window Creation: The error is triggered when the application tries to create a new instance of a view or window that is already open or instantiated.
  Session Management Issues: If the application does not properly manage sessions or instances, it may lead to this error.
  Programming Errors: In custom developments, such as ABAP or Web Dynpro applications, there may be logic that incorrectly attempts to create a view that is already active.
  
  Solution:
  
  Close Existing View/Window: Check if the view or window is already open. If it is, close it before trying to open it again.
  Modify Application Logic: If you are a developer, review the code to ensure that it checks for existing instances of the view before attempting to create a new one. Implement logic to reuse existing views or windows.
  Session Management: Ensure that the application properly manages sessions and instances to avoid conflicts.
  Debugging: If you have access to the development environment, use debugging tools to trace the execution flow and identify where the duplicate creation is happening.
  User Guidance: If this error is encountered by end-users, provide guidance on how to close existing views or windows before attempting to open new ones.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the documentation for the specific SAP module or component you are working with to understand how views and windows are managed.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.