Forge must be protected

src/engine/gameManager/ForgeManager.java

@@ -155,7 +155,9 @@ public enum ForgeManager implements Runnable {
             return false;
         }
 
-        return true;
+        // Forge must be protected in order to access warehouse.
+
+        return workOrder.vendor.building.protectionState.equals(mbEnums.ProtectionState.PROTECTED);
     }
 
     public static long calcRollingDuration(WorkOrder workOrder) {