diff --git a/Libraries/SPTarkov.Server.Core/Controllers/InventoryController.cs b/Libraries/SPTarkov.Server.Core/Controllers/InventoryController.cs
index c958ad09..c7d64c64 100644
--- a/Libraries/SPTarkov.Server.Core/Controllers/InventoryController.cs
+++ b/Libraries/SPTarkov.Server.Core/Controllers/InventoryController.cs
@@ -357,7 +357,7 @@ public class InventoryController(
 
         var foundInRaid = openedItem.Upd?.SpawnedInSession;
         var rewards = new List<List<Item>>();
-        var unlockedWeaponCrates = new HashSet<string>
+        var unlockedWeaponCrates = new HashSet<MongoId>
         {
             ItemTpl.RANDOMLOOTCONTAINER_ARENA_WEAPONCRATE_VIOLET_OPEN,
             ItemTpl.RANDOMLOOTCONTAINER_ARENA_WEAPONCRATE_BLUE_OPEN,
diff --git a/Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Item.cs b/Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Item.cs
index 27ee5e62..c003be31 100644
--- a/Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Item.cs
+++ b/Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Item.cs
@@ -65,7 +65,7 @@ public record HideoutItem
     public MongoId Id { get; set; }
 
     [JsonPropertyName("_tpl")]
-    public required MongoId Template { get; set; }
+    public MongoId Template { get; set; }
 
     [JsonPropertyName("upd")]
     public Upd? Upd { get; set; }