saying 'server disconnected' despite Basic Plan of Shiny

Hi guys, i got a situation, i need your help. I'm currently on a Basic plan of Shiny. Despite that my shiny app is taking at least 7 minutes to load and at the end says server disconnected which is very disappointing. A day ago it was working after 7 minutes loading time but today its not working.
Can you guys please look into this matter? I shall be very grateful.

What is in your application's logs?

It says 'listening on http...."

Without more information, I really cannot help you.
Since you are subscribed to the Basic Plan, you are entitled to support.