How To Fix /UI5/APP_API146 - App index not updated, 'manifest' file could not be found in app &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 146

• Message text: App index not updated, 'manifest' file could not be found in app &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/APP_API146 - App index not updated, 'manifest' file could not be found in app &1 ?

  The SAP error message /UI5/APP_API146 App index not updated, 'manifest' file could not be found in app &1 typically indicates that the SAP Fiori application you are trying to access is missing its manifest.json file, which is crucial for the application to function correctly. The manifest.json file contains metadata about the application, including its configuration, dependencies, and routing information.
  Cause:
  
  Missing manifest.json File: The most common cause of this error is that the manifest.json file is either missing or not located in the expected directory of the application.
  Incorrect Path: The application might be deployed in a way that the system cannot find the manifest.json file due to incorrect paths or naming conventions.
  Deployment Issues: There may have been issues during the deployment of the application, leading to incomplete or corrupted files.
  Transport Issues: If the application was transported from one system to another (e.g., from development to production), the manifest.json file may not have been included in the transport request.
  
  Solution:
  
  Check for manifest.json: Verify that the manifest.json file exists in the correct directory of your application. It should typically be located in the root folder of the application.
  Correct Path: Ensure that the path to the application is correctly configured in the SAP system. Check the application’s configuration in the SAP Fiori Launchpad or the relevant deployment settings.
  Re-deploy the Application: If the manifest.json file is missing, you may need to re-deploy the application. Ensure that all necessary files, including the manifest.json, are included in the deployment package.
  Check Transport Requests: If the application was transported, check the transport requests to ensure that the manifest.json file was included. If it was not, you may need to create a new transport request that includes it.
  Clear Cache: Sometimes, clearing the cache of the SAP Fiori Launchpad or the browser can help resolve issues related to outdated or missing files.
  Check Logs: Review the application logs and the SAP Gateway logs for any additional error messages that might provide more context about the issue.
  
  Related Information:
  
  SAP Fiori Documentation: Refer to the official SAP Fiori documentation for guidelines on application structure and deployment.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide patches related to this error.
  
  By following these steps, you should be able to identify and resolve the issue related to the missing manifest.json file and the associated error message.