title: Error 703... unable to play .mp3 file
body: <p>I am building an app using App Inventor in which I need to play some sounds on button click. When I click button once it gives me </p>
  
  <blockquote>
    <p>error 703: unable to play file</p>
  </blockquote>
  
  <p>But on the next time, the sound is played.<br>
  Can anyone help me with this error?</p>