Method moved to WorkOrder

src/engine/gameManager/ForgeManager.java

@@ -98,7 +98,7 @@ public enum ForgeManager implements Runnable {
         // Make sure vendor can roll the formulae, warehouse can
         // afford this wordOrder and other related checks.
 
-        int validation_result = ItemManager.validate(workOrder);
+        int validation_result = WorkOrder.validate(workOrder);
 
         // The return code is used by the submitter as a
         // popup error message for the player.