Playback error E/ExoPlayer exoplayer2.ExoPlaybackException: Source error (While playing from internal storage) with network its working

VideoPlayerController.contentUri(Uri.parse(widget.videoUrl))
        ..initialize().then((value) {
          videoPlayerController.play();
          videoPlayerController.setVolume(1);
        });

Playback error E/ExoPlayerImplInternal( 5579): com.google.android.exoplayer2.ExoPlaybackException: Source error E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.ExoPlayerImplInternal.handleIoException(ExoPlayerImplInternal.java:632) E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:604) E/ExoPlayerImplInternal( 5579): at android.os.Handler.dispatchMessage(Handler.java:102) E/ExoPlayerImplInternal( 5579): at android.os.Looper.loop(Looper.java:223) E/ExoPlayerImplInternal( 5579): at android.os.HandlerThread.run(HandlerThread.java:67) E/ExoPlayerImplInternal( 5579): Caused by: com.google.android.exoplayer2.upstream.FileDataSource$FileDataSourceException E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.upstream.FileDataSource.open(FileDataSource.java:121) E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.upstream.DefaultDataSource.open(DefaultDataSource.java:258) E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.upstream.StatsDataSource.open(StatsDataSource.java:84) E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.source.ProgressiveMediaPeriod$ExtractingLoadable.load(ProgressiveMediaPeriod.java:1009) E/ExoPlayerImplInternal( 5579): at com.google.android.exoplayer2.upstream.Loader$LoadTask.run(Loader.java:412) E/ExoPlayerImplInternal( 5579): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) E/ExoPlayerImplInternal( 5579): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) E/ExoPlayerImplInternal( 5579): at java.lang.Thread.run(Thread.java:923) E/flutter ( 5579): [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: PlatformException(VideoError, Video player had error com.google.android.exoplayer2.ExoPlaybackException: Source error, null, null)