I cant run my code. I get this error message:

0x800a139e - Runtime Errors in JavaScript : The property or field has not been initialized . There has been no request or has not been performed. It might need to be requested specifically.

I created an app (custom list) on developer site. In that list I created 3 columns (Title, Status and Responsible). And I also added some items to fetch them with my code. It displays column titles but when I want to fetch Resposible column it give me the error. In appManifest I added Web to Full Control.

'use strict';

var context = new SP.ClientContext.get_current();
var hostweburl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));
var parentContext = new SP.AppContextSite(context, hostweburl);
var parentWeb = parentContext.get_web();
var listitemCollection = parentWeb.get_lists().getByTitle("CaseList").getItems("");

$(document).ready(function () {

    context.executeQueryAsync(onSuccess, onFail);

function onSuccess() {

    var itemString1 = "";
    var itemString2 = "";
    var itemString3 = "";

    var listEnumerator = listitemCollection.getEnumerator();
    var currentItem;

    while (listEnumerator.moveNext()) {
        currentItem = listEnumerator.get_current();
        if (currentItem.get_item('Status') == "New") {
            itemString1 += "<br/>" + currentItem.get_item('Title') + " " + currentItem.get_item('Responsible');
        else if (currentItem.get_item('Status') == "Started") {
            currentItem = listEnumerator.get_current();
            itemString2 += "<br/>" + currentItem.get_item('Title') + " " + currentItem.get_item('Responsible');
        else if (currentItem.get_item('Status') == "Finished") {
            currentItem = listEnumerator.get_current();
            itemString3 += "<br/>" + currentItem.get_item('Title') + " " + currentItem.get_item('Responsible');


function onFail(sender, args) {
    alert("Error:" + args.get_message());

function getQueryStringParameter(paramToRetrieve) {
    var params = document.URL.split("?")[1].split("&");
    var strParams = "";
    for (var i = 0; i < params.length; i = i + 1) {
        var singleParam = params[i].split("=");
        if (singleParam[0] == paramToRetrieve)
            return singleParam[1];

You can request for additional fields using

 context.load(listitemCollection, 'Include(Responsible,Status)');
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  • I tried with that. But now I get a new error. "Error: Coloumn Responsible is not there. It may has been deleted by another user." Which I find it very strange. When I go to my developer site I can see my list with that column name. – Sunreuz May 31 '15 at 10:24
  • At least the previous error is gone. – Sunreuz May 31 '15 at 11:05
  • Make sure you are using the correct internal name and not display name – Amal Hashim May 31 '15 at 11:14
  • Okey I can try that. But when I add a column in the list how can I see the internal name? My list is in developer site. The column names are "Ansvarig", "Totalsumma" and "Responsible". – Sunreuz May 31 '15 at 11:18
  • You can open the fields from List Settings and check URL query string Field= – Amal Hashim May 31 '15 at 11:19

Maybe for some items that column value is null or empty.

Check this condition each time you are retrieving some column values:

item.get_item('internalColumnName')!= null
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