c# - BackgroundMediaPlayer throwing RPC server unavailable exception on Windows Phone 10 -

when use windows phone 8.1 app in windows phone 10, backgroundmediaplayer throwing

the rpc server unavailable exception

on piece of code:

var mediaplayer = backgroundmediaplayer.current; 

but works fine on windows phone 8.1. how resolve error app while using in windows phone 10. please me.