How To Fix AXT_MODEL170 - UI object &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 170

• Message text: UI object &1 already exists

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_MODEL170 - UI object &1 already exists ?

  The SAP error message AXT_MODEL170, which states "UI object &1 already exists," typically occurs in the context of SAP Fiori or SAP UI5 applications. This error indicates that there is an attempt to create a UI object (like a control, view, or component) that already exists in the application context. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Duplicate Object Creation: The application code may be trying to instantiate a UI object that has already been created. This can happen if the code is executed multiple times without proper checks.
  Improper Lifecycle Management: If the lifecycle of UI components is not managed correctly, it can lead to attempts to create the same object multiple times.
  Incorrect Binding: If the same model or data binding is applied to multiple UI elements without proper handling, it can lead to conflicts.
  Caching Issues: Sometimes, caching mechanisms may cause the application to think that an object does not exist when it actually does.
  
  Solutions:
  
  Check for Duplicates: Review the code to ensure that the UI object is not being created multiple times. Implement checks to see if the object already exists before creating it.
  Lifecycle Management: Ensure that the lifecycle of UI components is managed properly. Use the appropriate methods to destroy or clean up UI objects when they are no longer needed.
  Use Unique Identifiers: When creating UI objects, ensure that they have unique identifiers to avoid conflicts.
  Debugging: Use debugging tools to trace the execution flow and identify where the duplicate creation is happening. This can help pinpoint the exact location in the code that needs to be fixed.
  Clear Cache: If caching is suspected to be an issue, try clearing the cache or refreshing the application to see if that resolves the problem.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for UI5 and Fiori for best practices on managing UI components and their lifecycle.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Error Handling: Implement robust error handling in your application to gracefully manage situations where UI objects may conflict.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the AXT_MODEL170 error in your SAP application.