How To Fix /UI5/DESCR_VAR_CHECK003 - App variant/app config format not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/DESCR_VAR_CHECK -

• Message number: 003

• Message text: App variant/app config format not valid

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/DESCR_VAR_CHECK003 - App variant/app config format not valid ?

  The SAP error message /UI5/DESCR_VAR_CHECK003 indicates that there is an issue with the format of an app variant or app configuration in the SAP Fiori/UI5 environment. This error typically arises when the app variant or configuration does not conform to the expected structure or contains invalid data.
  Cause:
  
  Invalid JSON Format: The app variant or configuration might be defined in JSON format, and any syntax errors (like missing commas, brackets, or quotes) can lead to this error.
  Incorrect Structure: The structure of the app variant might not match the expected schema defined by SAP. This could include missing required fields or having fields that are not recognized.
  Data Type Mismatch: If the values provided in the app variant do not match the expected data types (e.g., a string is expected but a number is provided), this can trigger the error.
  Version Compatibility: The app variant might be created using a different version of the application or UI5 library that is not compatible with the current version being used.
  
  Solution:
  
  Validate JSON Format: Use a JSON validator to check the syntax of the app variant or configuration. Ensure that it is well-formed and adheres to JSON standards.
  Check Structure: Review the documentation for the specific app or component to ensure that the app variant is structured correctly. Make sure all required fields are present and correctly named.
  Review Data Types: Ensure that the values provided in the app variant match the expected data types. For example, if a field expects a string, ensure that it is not being provided as a number.
  Update or Recreate the Variant: If the variant is corrupted or incompatible, consider recreating it from scratch or updating it to match the current application version.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding this error message. There may be specific patches or updates that address known issues.
  
  Related Information:
  
  SAP Fiori/UI5 Documentation: Refer to the official SAP documentation for guidelines on creating and managing app variants and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging Tools: Use browser developer tools to inspect network requests and responses when loading the app. This can provide insights into what might be going wrong with the app variant.
  
  By following these steps, you should be able to identify and resolve the issue causing the /UI5/DESCR_VAR_CHECK003 error message.