From eeb1cb8861bf55860d7463c2f1d647e611f1ef64 Mon Sep 17 00:00:00 2001
From: Bogdan <mynameisbogdan@users.noreply.github.com>
Date: Tue, 9 May 2023 22:20:25 +0300
Subject: [PATCH] Fix call when download history can be null

---
 src/NzbDrone.Core/Download/CompletedDownloadService.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core/Download/CompletedDownloadService.cs b/src/NzbDrone.Core/Download/CompletedDownloadService.cs
index 3fd5008cb..556eaa227 100644
--- a/src/NzbDrone.Core/Download/CompletedDownloadService.cs
+++ b/src/NzbDrone.Core/Download/CompletedDownloadService.cs
@@ -70,8 +70,8 @@ namespace NzbDrone.Core.Download
                 return;
             }
 
-            var grabbedHistories = _historyService.FindByDownloadId(trackedDownload.DownloadItem.DownloadId).Where(h => h.EventType == EpisodeHistoryEventType.Grabbed).ToList();
-            var historyItem = grabbedHistories.MaxBy(h => h.Date);
+            var grabbedHistories = _historyService.FindByDownloadId(trackedDownload.DownloadItem.DownloadId)?.Where(h => h.EventType == EpisodeHistoryEventType.Grabbed).ToList();
+            var historyItem = grabbedHistories?.MaxBy(h => h.Date);
 
             if (historyItem == null && trackedDownload.DownloadItem.Category.IsNullOrWhiteSpace())
             {