How To Fix /UI5/APP_DESCRIPTOR003 - Cannot access descriptor document with sap.app/id '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_DESCRIPTOR -

• Message number: 003

• Message text: Cannot access descriptor document with sap.app/id '&1'

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_DESCRIPTOR003 - Cannot access descriptor document with sap.app/id '&1' ?

  The SAP error message /UI5/APP_DESCRIPTOR003 Cannot access descriptor document with sap.app/id '&1' typically indicates that the SAPUI5 application is unable to locate or access the application descriptor file (manifest.json) for the specified application ID. This can occur for several reasons. Below are the common causes, potential solutions, and related information:
  Causes:
  
  Incorrect Application ID: The application ID specified in the URL or configuration may be incorrect or does not match any existing application descriptor.
  Missing or Misconfigured Descriptor: The manifest.json file may be missing from the application directory or may not be properly configured.
  Access Issues: There may be permission issues preventing access to the descriptor file.
  Deployment Issues: The application may not have been deployed correctly, or there may be issues with the transport of the application.
  Network Issues: There could be network-related issues preventing access to the application descriptor.
  
  Solutions:
  
  
  Verify Application ID:
  
  Check the application ID in the URL or configuration and ensure it matches the ID defined in the manifest.json file.
  
  
  
  Check Manifest.json:
  
  Ensure that the manifest.json file exists in the correct location (usually in the root of the application directory).
  Validate the contents of the manifest.json file to ensure it is correctly formatted and contains the necessary properties.
  
  
  
  Check Permissions:
  
  Ensure that the user has the necessary permissions to access the application and its resources. This may involve checking roles and authorizations in the SAP system.
  
  
  
  Deployment Verification:
  
  If the application was recently deployed, verify that the deployment was successful and that all necessary files were included.
  Check the transport logs if the application was transported from one system to another.
  
  
  
  Network Configuration:
  
  Ensure that there are no network issues preventing access to the application. This may involve checking firewall settings, proxy configurations, or other network-related settings.
  
  
  
  Clear Cache:
  
  Sometimes, clearing the browser cache or the SAP Fiori Launchpad cache can resolve issues related to outdated or corrupted files.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAPUI5 and Fiori for more details on application descriptors and best practices for application development.
  SAP Community: The SAP Community forums can be a valuable resource for troubleshooting specific issues and finding solutions shared by other developers.
  Debugging Tools: Use browser developer tools to inspect network requests and responses, which can help identify if the manifest.json file is being requested and what the response is.
  
  By following these steps, you should be able to diagnose and resolve the error related to accessing the application descriptor document in SAPUI5.