How To Fix /UI2/CDMFCC340 - Applying Conversion Tags

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 340

• Message text: Applying Conversion Tags

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDMFCC340 - Applying Conversion Tags ?

  The SAP error message /UI2/CDMFCC340 Applying Conversion Tags typically occurs in the context of SAP Fiori applications and is related to issues with the conversion of data types or formats when rendering UI elements. This error can arise due to various reasons, including incorrect data types, missing conversion logic, or issues with the underlying OData service.
  Causes:
  
  Data Type Mismatch: The data being returned from the OData service may not match the expected data types defined in the UI5 application.
  Missing Conversion Logic: The application may be trying to apply conversion tags that are not defined or implemented correctly.
  OData Service Issues: The OData service might not be returning the expected data structure or might have errors in its implementation.
  Model Binding Issues: There could be issues with how the model is bound to the UI elements, leading to incorrect data being displayed.
  Version Compatibility: There may be compatibility issues between the UI5 version and the backend services.
  
  Solutions:
  
  Check OData Service: Verify that the OData service is functioning correctly and returning the expected data structure. You can use tools like the SAP Gateway Client to test the service.
  Review Data Types: Ensure that the data types in the OData service match the expected types in the UI5 application. Pay special attention to date formats, numeric types, and custom types.
  Implement Conversion Logic: If you are using custom conversion tags, ensure that the conversion logic is implemented correctly in the application.
  Debugging: Use the browser's developer tools to debug the application. Check for any JavaScript errors or issues in the console that might provide more context about the error.
  Update UI5 Version: If you suspect a compatibility issue, consider updating the UI5 version to the latest stable release that is compatible with your backend.
  Check Model Binding: Ensure that the model is correctly bound to the UI elements and that the paths are correctly defined.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP UI5 documentation for information on data binding, conversion tags, and OData services.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.