My ionic project apk is not working, i am getting error give below. i used proxy server for fetching data from web service in my app. please help me?

ionic-v1
1

D/FeatureProxyBase: FeatureProxyBase class constructor
D/MultiWindow: MultiWindowProxy constructor.
D/FeatureProxyBase: getService(), serviceName = multiwindow_service_v1

2

Where does this error appear?
Does you project work in ionic serve?
What “proxy” are you using and why?
What does your app do in general?