From de61e91307901c79367baa638e3f24264fbd7748 Mon Sep 17 00:00:00 2001
From: sven-n <sven-n@users.noreply.github.com>
Date: Sat, 7 Sep 2024 14:33:29 +0200
Subject: [PATCH] Fixed exception when adding an item to a InMemoryContext when
 it already exists

Happens after a trade.
---
 src/Persistence/InMemory/MemoryRepository{TValue}.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Persistence/InMemory/MemoryRepository{TValue}.cs b/src/Persistence/InMemory/MemoryRepository{TValue}.cs
index 9558464d2..fc28fc222 100644
--- a/src/Persistence/InMemory/MemoryRepository{TValue}.cs
+++ b/src/Persistence/InMemory/MemoryRepository{TValue}.cs
@@ -24,7 +24,7 @@ public class MemoryRepository<TValue> : IRepository<TValue>, IMemoryRepository
     /// <param name="obj">The item.</param>
     public void Add(Guid key, TValue obj)
     {
-        this._values.Add(key, obj);
+        this._values.TryAdd(key, obj);
         this._createdObjects.Add(key);
     }