服务器配置不正确（-12939）

NSConcreteNotification 0x7e1c980 {name = MPMoviePlayerPlaybackDidFinishNotification; object = <ItemMediaPlayer: 0x7856740>; userInfo = {
    MPMoviePlayerPlaybackDidFinishReasonUserInfoKey = 1;
    error = \"Error Domain=MediaPlayerErrorDomain Code=-12939 \\\"The server is not correctly configured.\\\" UserInfo=0x7e243d0 {NSLocalizedDescription=The server is not correctly configured.}\";