From 884802459fbaa0ac0554d7764ba5907ac6f56e4a Mon Sep 17 00:00:00 2001
From: ScrubN <72096833+ScrubN@users.noreply.github.com>
Date: Mon, 31 Jul 2023 00:40:02 -0400
Subject: [PATCH] Fix #760

---
 TwitchDownloaderWPF/PageVodDownload.xaml.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/TwitchDownloaderWPF/PageVodDownload.xaml.cs b/TwitchDownloaderWPF/PageVodDownload.xaml.cs
index ccd05774..ef37d9d2 100644
--- a/TwitchDownloaderWPF/PageVodDownload.xaml.cs
+++ b/TwitchDownloaderWPF/PageVodDownload.xaml.cs
@@ -92,6 +92,12 @@ private async Task GetVideoInfo()
                 Task<GqlVideoResponse> taskVideoInfo = TwitchHelper.GetVideoInfo(videoId);
                 Task<GqlVideoTokenResponse> taskAccessToken = TwitchHelper.GetVideoToken(videoId, TextOauth.Text);
                 await Task.WhenAll(taskVideoInfo, taskAccessToken);
+
+                if (taskAccessToken.Result.data.videoPlaybackAccessToken is null)
+                {
+                    throw new NullReferenceException("Invalid VOD, deleted/expired VOD possibly?");
+                }
+
                 Task<string[]> taskPlaylist = TwitchHelper.GetVideoPlaylist(videoId, taskAccessToken.Result.data.videoPlaybackAccessToken.value, taskAccessToken.Result.data.videoPlaybackAccessToken.signature);
                 try
                 {