How To Fix /UI5/APP_DESCRIPTOR002 - Cannot access descriptor with sap.app/id '&1'

/UI5/APP_DESCRIPTOR002 - Overview

• Message type: E = Error

• Message class: /UI5/APP_DESCRIPTOR -

• Message number: 002

• Message text: Cannot access descriptor 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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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.

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/UI5/APP_DESCRIPTOR002 - Details

• The SAP error message /UI5/APP_DESCRIPTOR002 Cannot access descriptor 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, solutions, and related information for this error:
  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 Manifest File: The manifest.json file may be missing from the application's directory.
  Incorrect Path: The path to the application descriptor may be incorrect, leading to the inability to access the file.
  Deployment Issues: The application may not have been deployed correctly, or there may be issues with the transport of the application.
  Authorization Issues: The user may not have the necessary permissions to access the application or its resources.
  
  Solutions:
  
  Verify Application ID: Check the application ID in the URL or configuration