why

[ronghua666]

System.Net.Http.HttpRequestException: Response status code does not indicate success: 403 (Forbidden).
at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
at YoutubeExplode.Videos.Streams.StreamClient.TryGetContentLengthAsync(IStreamData streamData, String url, CancellationToken cancellationToken) in //YoutubeExplode/Videos/Streams/StreamClient.cs:line 82
at YoutubeExplode.Videos.Streams.StreamClient.GetStreamInfosAsync(IEnumerable1 streamDatas, CancellationToken cancellationToken)+MoveNext() in /_/YoutubeExplode/Videos/Streams/StreamClient.cs:line 115 at YoutubeExplode.Videos.Streams.StreamClient.GetStreamInfosAsync(IEnumerable1 streamDatas, CancellationToken cancellationToken)+System.Threading.Tasks.Sources.IValueTaskSource<System.Boolean>.GetResult()
at YoutubeExplode.Utils.Extensions.AsyncCollectionExtensions.ToListAsync[T](IAsyncEnumerable1 source) in /_/YoutubeExplode/Utils/Extensions/AsyncCollectionExtensions.cs:line 49 at YoutubeExplode.Utils.Extensions.AsyncCollectionExtensions.ToListAsync[T](IAsyncEnumerable1 source) in //YoutubeExplode/Utils/Extensions/AsyncCollectionExtensions.cs:line 49
at YoutubeExplode.Videos.Streams.StreamClient.GetStreamInfosAsync(VideoId videoId, PlayerResponse playerResponse, CancellationToken cancellationToken) in //YoutubeExplode/Videos/Streams/StreamClient.cs:line 230
at YoutubeExplode.Videos.Streams.StreamClient.GetStreamInfosAsync(VideoId videoId, CancellationToken cancellationToken) in //YoutubeExplode/Videos/Streams/StreamClient.cs:line 275
at YoutubeExplode.Videos.Streams.StreamClient.GetManifestAsync(VideoId videoId, CancellationToken cancellationToken) in /_/YoutubeExplode/Videos/Streams/StreamClient.cs:line 304
at YoutubeDownloader.Core.Downloading.VideoDownloader.GetDownloadOptionsAsync(VideoId videoId, Boolean includeLanguageSpecificAudioStreams, CancellationToken cancellationToken) in D:\a\YoutubeDownloader\YoutubeDownloader\YoutubeDownloader.Core\Downloading\VideoDownloader.cs:line 26
at YoutubeDownloader.Core.Downloading.VideoDownloader.GetBestDownloadOptionAsync(VideoId videoId, VideoDownloadPreference preference, Boolean includeLanguageSpecificAudioStreams, CancellationToken cancellationToken) in D:\a\YoutubeDownloader\YoutubeDownloader\YoutubeDownloader.Core\Downloading\VideoDownloader.cs:line 37
at YoutubeDownloader.ViewModels.Components.DashboardViewModel.EnqueueDownload(DownloadViewModel download, Int32 position)