How To Fix /UI2/CDMFCC126 - Invalid Change: Missing &1 property &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 126

• Message text: Invalid Change: Missing &1 property &2.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDMFCC126 - Invalid Change: Missing &1 property &2. ?

  The SAP error message /UI2/CDMFCC126 Invalid Change: Missing &1 property &2 typically occurs in the context of SAP Fiori applications, particularly when dealing with the configuration of UI elements or when making changes to the UI5 model. This error indicates that a required property is missing from a change request or configuration.
  Cause:
  
  Missing Property: The error suggests that a specific property (denoted by &2) is missing from a change that is expected to have it. This could be due to a misconfiguration in the UI5 application or an incomplete change request.
  Incorrect Model Binding: If the UI5 model is not correctly bound or if the data structure does not match the expected format, this error can occur.
  Version Mismatch: Sometimes, using an outdated version of the UI5 library or Fiori elements can lead to compatibility issues, resulting in missing properties.
  Custom Development Issues: If there are custom developments or extensions in the Fiori application, they might not adhere to the expected structure, leading to this error.
  
  Solution:
  
  Check Configuration: Review the configuration of the Fiori application to ensure that all required properties are defined. This includes checking the manifest.json file and any associated XML views.
  Validate Model Structure: Ensure that the data model being used in the application contains all the necessary properties. You may need to adjust the model or the data being passed to it.
  Update UI5 Libraries: If you are using an older version of the UI5 libraries, consider updating to the latest version to ensure compatibility and access to the latest features and fixes.
  Debugging: Use the browser's developer tools to debug the application. Check the console for additional error messages that might provide more context about the missing property.
  Review Custom Code: If there are any custom implementations, review the code to ensure that it correctly implements the expected properties and adheres to the UI5 standards.
  Consult Documentation: Refer to the SAP Fiori and UI5 documentation for guidance on the expected properties and configurations for the specific components you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Fiori Elements Documentation: Review the official SAP Fiori Elements documentation for best practices in configuring and developing Fiori applications.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.