Could Not Open App | SAP FIORI Troubleshooting

When we log on to Fiori Launchpad and access any application we get error message in the pop up saying "Could Not Open App".

Now open the browser "Developer Tools" to check the error details. How to open Developer Tools - Right click on the browser window and click on "inspect". 

Check the Network and console section of developer tools to view the error details. In console window you will find error "Failed to load Component.js from /sap/bc/ui5_ui5/sap/app_name/Component.js" 

 This type of error generally occurs when SICF node is not activated. How to Activate the UI5 application SICF node?

• Open transaction code SICF
• In the service name field give the BSP application name and press enter. 
• If application name is grayed out in the list under ui5_ui5 node then right click on the application name and click on activate to activate the application.