How To Fix /UI5/APP_DESCRIPTOR000 - App ID given (sap.app/id '&1') is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_DESCRIPTOR -

• Message number: 000

• Message text: App ID given (sap.app/id '&1') is 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/APP_DESCRIPTOR000 - App ID given (sap.app/id '&1') is not valid ?

  The SAP error message /UI5/APP_DESCRIPTOR000 App ID given (sap.app/id '&1') is not valid typically indicates that there is an issue with the application ID specified in the application's descriptor file (manifest.json). This error can occur in SAPUI5 applications when the application ID does not conform to the expected format or is not registered correctly in the SAP system.
  Cause:
  
  
  Invalid App ID Format: The application ID specified in the manifest.json file may not follow the required naming conventions. The ID should typically be in the format of a reverse domain name (e.g., com.example.app).
  
  
  Missing Registration: The application ID may not be registered in the SAP system or the relevant application repository.
  
  
  Typographical Errors: There may be a typo in the application ID specified in the manifest.json file.
  
  
  Namespace Issues: The application ID may be using a namespace that is not recognized or is not properly defined in the system.
  
  
  Solution:
  
  
  Check the App ID Format: Ensure that the sap.app/id in the manifest.json file follows the correct format. It should be a valid string that adheres to the naming conventions.
  Example:
  {
      "sap.app": {
          "id": "com.example.myapp"
      }
  }
  
  
  Register the Application: If the application ID is valid but not registered, you may need to register the application in the SAP system. This can typically be done through the SAP Fiori Launchpad or the relevant application management tools.
  
  
  Verify the Manifest File: Double-check the manifest.json file for any typographical errors or incorrect paths. Ensure that the file is correctly structured and that the application ID is correctly specified.
  
  
  Check Namespace Configuration: If you are using a custom namespace, ensure that it is properly defined in the SAP system. You may need to consult with your SAP administrator to verify the namespace settings.
  
  
  Clear Cache: Sometimes, caching issues can lead to this error. Clear the browser cache or the SAP Fiori Launchpad cache to ensure that the latest version of the application is being loaded.
  
  
  Consult Documentation: Refer to the official SAP documentation for guidelines on application IDs and manifest files to ensure compliance with best practices.
  
  
  Related Information:
  
  SAPUI5 Documentation: Review the SAPUI5 SDK documentation for details on the structure of the manifest.json file and the requirements for application IDs.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other developers who may have encountered similar issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message you are encountering.
  
  By following these steps, you should be able to resolve the error related to the invalid application ID in your SAPUI5 application.