[-] CORE : Fix bug #PSCFV-8705 stocks update for when no current state

classes/order/OrderHistory.php

@@ -160,6 +160,7 @@ class OrderHistoryCore extends ObjectModel
 			if (Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT'))
 				$manager = StockManagerFactory::getManager();
 			// foreach products of the order
+			if (Validate::isLoadedObject($old_os))			
 				foreach ($order->getProductsDetail() as $product)
 				{
 					// if becoming logable => adds sale