(svn r22047) -Fix: selling a vehicle triggered the assert added in r22041

src/order_backup.cpp

@@ -111,8 +111,10 @@ void OrderBackup::DoRestore(Vehicle *v)
 	FOR_ALL_ORDER_BACKUPS(ob) {
 		if (ob->user == user) delete ob;
 	}
+	if (OrderBackup::CanAllocateItem()) {
 		new OrderBackup(v, user);
 	}
+}
 
 /**
  * Restore the data of this order to the given vehicle.