How To Fix /UI5/APP_API124 - Do not specify the calculated attribute sap.ui5/appVariantId(Hierarchy)

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 124

• Message text: Do not specify the calculated attribute sap.ui5/appVariantId(Hierarchy)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/APP_API124 - Do not specify the calculated attribute sap.ui5/appVariantId(Hierarchy) ?

  The SAP error message /UI5/APP_API124 Do not specify the calculated attribute sap.ui5/appVariantId(Hierarchy) typically occurs in the context of SAP Fiori applications when there is an issue with the configuration of application variants or the way attributes are being defined in the application descriptor.
  Cause:
  
  Incorrect Configuration: The error indicates that the attribute sap.ui5/appVariantId is being specified in a way that is not allowed. This attribute is calculated automatically by the system and should not be manually defined in the application descriptor (manifest.json).
  Hierarchy Issues: If you are working with hierarchical applications or variants, there may be a misconfiguration in how these variants are set up, leading to the system expecting a certain structure that is not being met.
  
  Solution:
  
  Remove Manual Specification: Check your manifest.json file and ensure that you are not manually specifying the sap.ui5/appVariantId attribute. This attribute should be left out of the configuration as it is calculated by the system.
  Review Application Variants: If you are using application variants, ensure that they are correctly defined and that you are following the guidelines for setting up variants in SAP Fiori applications.
  Check Hierarchical Structure: If your application is part of a hierarchy, verify that the hierarchy is correctly defined and that all necessary attributes are properly configured without conflicts.
  Consult Documentation: Refer to the official SAP documentation for guidelines on configuring application variants and the use of the manifest.json file. This can provide insights into best practices and common pitfalls.
  
  Related Information:
  
  SAP Fiori Elements: Understanding how Fiori Elements work with application variants can help in troubleshooting issues related to UI5 applications.
  SAP Notes and Community: Check SAP Notes for any known issues or patches related to this error. The SAP Community forums can also be a valuable resource for finding solutions from other developers who may have encountered similar issues.
  Debugging Tools: Utilize the browser's developer tools to inspect the network requests and console logs for additional context around the error, which may help in diagnosing the issue further.
  
  By following these steps, you should be able to resolve the error and ensure that your SAP Fiori application is configured correctly.