How To Fix /UI5/DESCRIPTOR_MERG002 - No change merger found for change type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/DESCRIPTOR_MERG -

• Message number: 002

• Message text: No change merger found for change type &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/DESCRIPTOR_MERG002 - No change merger found for change type &1 ?

  The SAP error message /UI5/DESCRIPTOR_MERG002 No change merger found for change type &1 typically occurs in the context of SAPUI5 applications when there is an issue with the change management framework. This error indicates that the system is unable to find a suitable change merger for the specified change type, which is necessary for processing changes in the application.
  Cause:
  
  Missing Change Merger: The most common cause of this error is that there is no defined change merger for the specified change type. Change mergers are responsible for handling specific types of changes in the application.
  Incorrect Change Type: The change type being referenced may not be valid or recognized by the system.
  Configuration Issues: There may be issues with the configuration of the change management framework in your SAPUI5 application.
  Version Mismatch: If there are discrepancies between the versions of the UI5 libraries or components being used, it may lead to this error.
  
  Solution:
  
  Define Change Merger: Ensure that a change merger is defined for the change type in question. This can be done by implementing the appropriate change merger class in your application.
  Check Change Type: Verify that the change type being used is correct and is supported by the application. You can check the documentation or the source code to confirm the valid change types.
  Update Configuration: Review the configuration settings for the change management framework in your application. Ensure that all necessary components are properly configured.
  Library Version: Make sure that you are using compatible versions of the SAPUI5 libraries. If you have recently upgraded or changed versions, ensure that all components are compatible with each other.
  Debugging: Use debugging tools to trace the execution flow and identify where the error is being triggered. This can provide insights into what might be going wrong.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAPUI5 and the change management framework for detailed information on change types and change mergers.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions or workarounds.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on how to resolve it.
  
  By following these steps, you should be able to diagnose and resolve the /UI5/DESCRIPTOR_MERG002 error in your SAPUI5 application.