How To Fix /UI5/DTA029 - URL parameter 'changelist' = 'ATO_NOTIFICATION' expected in S/4Hana Cloud

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/DTA -

• Message number: 029

• Message text: URL parameter 'changelist' = 'ATO_NOTIFICATION' expected in S/4Hana Cloud

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/DTA029 - URL parameter 'changelist' = 'ATO_NOTIFICATION' expected in S/4Hana Cloud ?

  The SAP error message /UI5/DTA029 URL parameter 'changelist' = 'ATO_NOTIFICATION' expected typically occurs in the context of SAP Fiori applications or UI5 applications when there is an issue with the URL parameters being passed to the application. This specific error indicates that the application is expecting a URL parameter named changelist with a value of ATO_NOTIFICATION, but it is either missing or incorrectly specified.
  Cause:
  
  Missing Parameter: The URL being used to access the application does not include the required changelist parameter.
  Incorrect Value: The changelist parameter is present but does not have the expected value of ATO_NOTIFICATION.
  Configuration Issues: There may be issues with the configuration of the Fiori app or the underlying OData service that is supposed to handle this parameter.
  Authorization Issues: The user may not have the necessary authorizations to access the specific functionality that requires this parameter.
  
  Solution:
  
  
  Check the URL: Ensure that the URL you are using to access the application includes the changelist parameter with the correct value. For example:
  https://<your_sap_system>/sap/bc/ui5_ui5/sap/<your_app>/?changelist=ATO_NOTIFICATION
  
  
  Modify the Application Configuration: If you are developing or customizing the application, ensure that the application is correctly configured to handle the changelist parameter. This may involve checking the routing configuration in the manifest.json file of the UI5 application.
  
  
  Review OData Service: If the application relies on an OData service, ensure that the service is correctly implemented to accept and process the changelist parameter.
  
  
  Check Authorizations: Verify that the user has the necessary authorizations to access the application and the specific functionality that requires the changelist parameter.
  
  
  Consult Documentation: Refer to the SAP documentation or release notes for any specific requirements or changes related to the application you are using.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  SAP Fiori Launchpad: If you are accessing the application through the Fiori Launchpad, ensure that the tile configuration is set up correctly to pass the required parameters.
  Debugging Tools: Use browser developer tools to inspect the network requests and see if the parameters are being sent correctly.
  SAP Community: Check the SAP Community forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to resolve the error related to the missing or incorrect changelist parameter in your SAP S/4HANA Cloud application.