JSCallback Server Closed: Stopping callbacks

We use jQuery Mobile to navigate thorough pages in our application. Those pages are being loaded externally from our server, then displayed in the Cordova's WebView inside our application.

Once the first navigation occurs, all callbacks to Cordova are stopped and the following message appears: JSCallback Server Closed: Stopping callbacks

Unfortunately I don't have access to this tablet directly, so I can't debug it - it's a customer's tablet and I was only able to see logs for a brief moment when I had it connected to my PC via USB.