How To Fix /UI2/START_UP002 - Associate type invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/START_UP -

• Message number: 002

• Message text: Associate type invalid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/START_UP002 - Associate type invalid ?

  The SAP error message /UI2/START_UP002 Associate type invalid typically occurs in the context of SAP Fiori applications or when using the SAP UI5 framework. This error indicates that there is an issue with the association type defined in the OData service or the metadata of the application.
  Cause:
  
  Invalid Association Type: The error usually arises when the association type defined in the OData service does not match the expected type in the UI5 application. This could be due to a mismatch in the data model or incorrect configuration in the OData service.
  Metadata Issues: If the metadata of the OData service is not correctly defined or is missing certain associations, it can lead to this error.
  Version Mismatch: There may be a version mismatch between the UI5 application and the OData service, leading to incompatibility in the expected data structure.
  Configuration Errors: Incorrect configuration in the Fiori Launchpad or the application settings can also trigger this error.
  
  Solution:
  
  Check OData Service: Verify the OData service being used by the application. Ensure that the associations are correctly defined in the service's metadata. You can use the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service and check the metadata.
  Update Metadata: If there are changes in the underlying data model, ensure that the metadata is updated accordingly. You may need to regenerate the service or refresh the metadata.
  Review Application Configuration: Check the configuration of the Fiori application in the Fiori Launchpad. Ensure that the application is correctly configured to use the right OData service and that all necessary parameters are set.
  Check for Version Compatibility: Ensure that the versions of the UI5 library and the OData service are compatible. If necessary, update the UI5 library or the OData service to a compatible version.
  Debugging: Use browser developer tools to check for any additional error messages in the console that may provide more context about the issue. This can help identify if there are any JavaScript errors or network issues.
  Consult Documentation: Refer to SAP documentation or community forums for any known issues related to the specific version of the Fiori application or OData service you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. You can search for the error message or related keywords in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Fiori Launchpad Configuration: Familiarize yourself with the Fiori Launchpad configuration and how to manage OData services within it.
  
  By following these steps, you should be able to identify and resolve the issue causing the /UI2/START_UP002 Associate type invalid error.