IDEMPIERE-212 Costing: MatchPO required for Average PO and Last PO Costing method

- adapted from http://sistematika.web.id/2008/10/10/accounting-generated-for-adempiere-material-receipt-activity/

org.adempiere.base/src/org/compiere/acct/Doc_InOut.java

@@ -419,7 +419,9 @@ public class Doc_InOut extends Doc
 	                    }
 	                    else
 	                    {
-	                        costs = line.getProductCosts(as, line.getAD_Org_ID(), false);	//	current costs
+	                    	p_Error = "Resubmit - No Costs for " + product.getName();
+	                        log.log(Level.WARNING, p_Error);
+	                        return null;
 	                    }
 	                    //
 					}