App crash while Media player on pause and play

[vikydev]

Hai , Am using your library for audio visualization in audio recording and audio playback. while using with media player for playing audio visualizer works perfect until we pause it and play again. when we press pause button and resume play it crash the application.

am using this code for link my player with visualizer.
mPlayer = new MediaPlayer();
mVisualizerView.link(mPlayer);

please help me to solve this issue