how to prevent or handle " javax.microedition.media.MediaException: AUD" when playing audio files in j2me

Question

I'm developing a mobile app in j2me with configuration cldc2.1 and midp 2.0.

In my app, I'm running some audio files based on some user operations. But some times audio files running correctly but sometimes it throws " javax.microedition.media.MediaException: AUD" exception.

I placed the audio files (.wav) in "res" folder of my project and read from that folder and then I'm playing it.

I'm using nokia c2-01 phone (s40) device is for testing. Please give your ideas to solve this problem.

Please help me. All your ideas are welcome.