From b9ab3d64908cfe16f96595e9dd1f170121e2fcda Mon Sep 17 00:00:00 2001
From: Citrinate <phil4387@gmail.com>
Date: Tue, 19 Mar 2024 04:35:05 -0400
Subject: [PATCH] Fix GetTradeOffer exception (#3164)

---
 ArchiSteamFarm/Steam/Integration/ArchiWebHandler.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ArchiSteamFarm/Steam/Integration/ArchiWebHandler.cs b/ArchiSteamFarm/Steam/Integration/ArchiWebHandler.cs
index 0475380f6..54ec433e4 100644
--- a/ArchiSteamFarm/Steam/Integration/ArchiWebHandler.cs
+++ b/ArchiSteamFarm/Steam/Integration/ArchiWebHandler.cs
@@ -501,7 +501,7 @@ public sealed class ArchiWebHandler : IDisposable {
 			trades = trades.Concat(response.TradeOffersSent);
 		}
 
-		Dictionary<(uint AppID, ulong ClassID, ulong InstanceID), InventoryDescription> descriptions = response.Descriptions.ToDictionary(static description => (description.AppID, description.ClassID, description.InstanceID), static description => description);
+		Dictionary<(uint AppID, ulong ClassID, ulong InstanceID), InventoryDescription> descriptions = response.Descriptions.GroupBy(static description => (description.AppID, description.ClassID, description.InstanceID)).ToDictionary(static group => group.Key, static group => group.First());
 
 		HashSet<TradeOffer> result = [];