No modtable defaults to workorder.

src/engine/gameManager/ForgeManager.java

@@ -265,12 +265,12 @@ public enum ForgeManager implements Runnable {
 
         // Assign a prefix and suffix to this item if random rolled
 
-        if (workOrder.prefixToken == 0)
+        if (workOrder.prefixToken == 0 && workOrder.vendor.getItemModTable().contains((template.modTable)))
             forgedItem.prefixToken = calcRandomMod(workOrder.vendor, mbEnums.ItemModType.PREFIX, template.modTable);
         else
             forgedItem.prefixToken = workOrder.prefixToken;
 
-        if (workOrder.suffixToken == 0)
+        if (workOrder.suffixToken == 0 && workOrder.vendor.getItemModTable().contains((template.modTable)))
             forgedItem.suffixToken = calcRandomMod(workOrder.vendor, mbEnums.ItemModType.SUFFIX, template.modTable);
         else
             forgedItem.suffixToken = workOrder.suffixToken;

src/engine/loot/WorkOrder.java

@@ -135,7 +135,8 @@ public class WorkOrder implements Delayed {
         if (!workOrder.vendor.charItemManager.hasRoomInventory(template.item_wt))
             return 30;  //30: That person cannot carry that item
 
-        if (!workOrder.vendor.getItemModTable().contains((template.modTable)))
+        if ((workOrder.prefixToken != 0 || workOrder.suffixToken != 0) &&
+                !workOrder.vendor.getItemModTable().contains((template.modTable)))
             return 59;   //59: This hireling does not have this formula
 
         if (!Warehouse.calcCostOverrun(workOrder).isEmpty())