2393654 - Unable to open Fiori applications with the error message "Could not open app. Please try again later"

When trying to open the applications from Fiori Launchpad, it displays the error "Could not open app. Please try again later".

Debug the UI code in Chrome(Press F12), you may see the information as below:

• Scenario 1:

<host>:<port>/sap/bc/ui5_ui5/sap/XXXXX/// : 403 Forbidden

• Scenario 2:

Failed to load U5 component with properties '{"name": "xxxx", "self": "xxxx", "messages": "xxxx"}

Failed to load U5 component for navigation intent #XXXX -

Error found in negative cache: 'sap/xx/xx/xx/library.js' from /sap/bc/ui5_ui5/ui2/ushell/resources/~201XXXXX~/sap/xx/xx/xx/library.js: 404 - NOT FOUND sap.ushell.renderers.fiori2.Shell.controller "

• SAP Fiori applications

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