From 82ee6c5aaa8363c6682d697be139b3fce3dd2a0a Mon Sep 17 00:00:00 2001
From: RogueException <rogueexception@gmail.com>
Date: Wed, 12 Oct 2016 15:32:22 -0300
Subject: [PATCH] Fixed error when calling GetMessagesAsync with no cached
 messages

---
 .../Entities/Channels/SocketChannelHelper.cs                 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Discord.Net.WebSocket/Entities/Channels/SocketChannelHelper.cs b/src/Discord.Net.WebSocket/Entities/Channels/SocketChannelHelper.cs
index f91ab4c2d..e2ea4c87e 100644
--- a/src/Discord.Net.WebSocket/Entities/Channels/SocketChannelHelper.cs
+++ b/src/Discord.Net.WebSocket/Entities/Channels/SocketChannelHelper.cs
@@ -34,9 +34,10 @@ namespace Discord.WebSocket
                 limit -= cachedMessages.Count;
                 if (mode == CacheMode.CacheOnly || limit <= 0)
                     return result;
-                
+
                 //Download remaining messages
-                var downloadedMessages = ChannelHelper.GetMessagesAsync(channel, discord, cachedMessages.Min(x => x.Id), dir, limit, guild, options);
+                ulong? minId = cachedMessages.Count > 0 ? cachedMessages.Min(x => x.Id) : (ulong?)null;
+                var downloadedMessages = ChannelHelper.GetMessagesAsync(channel, discord, minId, dir, limit, guild, options);
                 return result.Concat(downloadedMessages);
             }
             else