diff --git a/panel/KillHouse/views.py b/panel/KillHouse/views.py
index 4a4d153..f2884b6 100644
--- a/panel/KillHouse/views.py
+++ b/panel/KillHouse/views.py
@@ -11828,12 +11828,13 @@ class KillHouseFreeBarInformationViewSet(viewsets.ModelViewSet):
             free_bar.acceptor_rejector = user.fullname
         if 'killer_key' in request.data.keys() and request.data['killer_key'] != None and request.data[
             'killer_key'] != '':
-            pre_kill_house = free_bar.input_warehouse
-            if (pre_kill_house.total_input_warehouse_free_weight - free_bar.weight_of_carcasses) - pre_kill_house.total_selling_warehouse_free_weight < 0 :
-                return Response(
-                    {"result": "به علت عدم موجودی کشتارکن امکان جابجایی وجود ندارد! "},
-                    status=status.HTTP_403_FORBIDDEN)
-            pre_product = RolesProducts.objects.filter(kill_house=pre_kill_house, trash=False, name='مرغ گرم').first()
+            if free_bar.input_warehouse:
+                pre_kill_house = free_bar.input_warehouse
+                if (pre_kill_house.total_input_warehouse_free_weight - free_bar.weight_of_carcasses) - pre_kill_house.total_selling_warehouse_free_weight < 0 :
+                    return Response(
+                        {"result": "به علت عدم موجودی کشتارکن امکان جابجایی وجود ندارد! "},
+                        status=status.HTTP_403_FORBIDDEN)
+                pre_product = RolesProducts.objects.filter(kill_house=pre_kill_house, trash=False, name='مرغ گرم').first()
             exclusive_killer = KillHouse.objects.filter(trash=False, key=request.data['killer_key']).first()
             if exclusive_killer.killer and exclusive_killer.type == 'public':
                 if not free_bar.public_killer: