How To Fix /UI5/APP_DESCRIPTOR004 - Invalid input

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_DESCRIPTOR -

• Message number: 004

• Message text: Invalid input

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/APP_DESCRIPTOR004 - Invalid input ?

  The SAP error message /UI5/APP_DESCRIPTOR004 Invalid input typically occurs in the context of SAPUI5 applications when there is an issue with the application descriptor file (manifest.json) or when the input provided to a certain function or service is not valid. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Malformed manifest.json: The application descriptor file may contain syntax errors or invalid JSON structure.
  Invalid Configuration: Certain properties in the manifest.json may be incorrectly configured or missing required fields.
  Incorrect Input Parameters: If the application is expecting specific input parameters and receives invalid or unexpected values, this error can occur.
  Version Mismatch: The version of SAPUI5 being used may not support certain features or configurations specified in the manifest.
  Service Issues: If the application is trying to call a service and the input parameters are not valid for that service, it can lead to this error.
  
  Solutions:
  
  Validate manifest.json: Use a JSON validator to check for syntax errors in the manifest.json file. Ensure that all required fields are present and correctly formatted.
  Check Configuration: Review the configuration settings in the manifest.json file. Ensure that all properties are set correctly according to the SAPUI5 documentation.
  Review Input Parameters: If the error occurs during a specific operation, check the input parameters being passed to ensure they are valid and conform to expected formats.
  Update SAPUI5 Version: If you are using an older version of SAPUI5, consider updating to a newer version that may have better support for the features you are using.
  Debugging: Use browser developer tools to debug the application. Check the console for additional error messages that may provide more context about the issue.
  Consult Documentation: Refer to the official SAPUI5 documentation for guidance on the specific features and configurations you are using.
  
  Related Information:
  
  SAPUI5 Documentation: The official SAPUI5 documentation provides detailed information about the manifest.json structure, configuration options, and best practices.
  SAP Community: The SAP Community forums can be a valuable resource for finding solutions to similar issues faced by other developers.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or bugs related to the error message.
  
  By following these steps, you should be able to identify and resolve the cause of the /UI5/APP_DESCRIPTOR004 Invalid input error in your SAPUI5 application.