Merge branch 'sales_1083290_FixOfferItemInsertChangeQuantity' into '2021.1.1'

[Projekt: xRM-Sales][TicketNr.: 1083290][Angebotsposten hinzufügen - Menge ändern Exception]

See merge request xrm/basic!1106

entity/Offeritem_entity/entityfields/quantity/onValueChange.js

@@ -26,9 +26,9 @@ if(pId != "" && vars.get("$sys.recordstate") == neon.OPERATINGSTATE_NEW)
     var partsListObject = oiUtils.insertPartsList(pId, vars.get("$field.OFFERITEMID"), curr, contactid, language, quantity, true, vars.get("$field.OFFER_ID"), sumUpTop);
     neon.setFieldValue("$field.itemInsertStatements", JSON.stringify(partsListObject["partsList"]));
     
-    if(sumUpTop)//only sum-up this price if there is no valid Price
+    if((sumUpTop && partsListObject["topProductInfo"]))//only sum-up this price if there is no valid Price
     {
-    neon.setFieldValue("$field.PRICE", partsListObject["topProductInfo"]["price"]);
-    neon.setFieldValue("$field.VAT", partsListObject["topProductInfo"]["vat"]);
+        neon.setFieldValue("$field.PRICE", partsListObject["topProductInfo"]["price"]);
+        neon.setFieldValue("$field.VAT", partsListObject["topProductInfo"]["vat"]);
     }
 }