From 145ade441415ccd43846b8ebcc3d901c5ca47858 Mon Sep 17 00:00:00 2001
From: Wizou <11647984+wiz0u@users.noreply.github.com>
Date: Wed, 12 Jan 2022 14:25:32 +0100
Subject: [PATCH] fix issue #21 Exception "An item with the same key has
 already been added" in Messages_GetHistory

---
 src/TL.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TL.cs b/src/TL.cs
index ccc711c..97a670f 100644
--- a/src/TL.cs
+++ b/src/TL.cs
@@ -223,7 +223,7 @@ namespace TL
 			for (int i = 0; i < count; i++)
 			{
 				var value = (T)reader.ReadTLValue(elementType);
-				dict.Add(getID(value), value is UserEmpty ? null : value);
+				dict[getID(value)] = value is UserEmpty ? null : value;
 			}
 			return dict;
 		}