diff --git a/src/com/amarsoft/app/util/ProductParamUtil.java b/src/com/amarsoft/app/util/ProductParamUtil.java
index abae6cd68..236972a80 100644
--- a/src/com/amarsoft/app/util/ProductParamUtil.java
+++ b/src/com/amarsoft/app/util/ProductParamUtil.java
@@ -706,6 +706,9 @@ public class ProductParamUtil {
 							if(jo.get("Parameter")==null){
 								continue;
 							}
+							if(jo.get("Parameter") instanceof JSONNull){
+								continue;
+							}
 							JSONObject value = ja.getJSONObject(i).getJSONObject("jbo.sample.Parameter");
 							Map<String,Object> valMap = new HashMap<String,Object>();
 							Set<Entry> vSet = value.entrySet();