anchor.diff:  
       // If a path check fails, it'll throw an error.
       function sitemapJsonCheck(jsonObj, pathChecks, errMsg) {
  -        _.forEach(pathChecks, function(pathCheck, errIndex) {
  +        return !_.every(pathChecks, function(pathCheck) {
               if(!_.has(jsonObj, pathCheck)) {
  -                var error = new Error(errMsg + pathCheck);
  -                throw error;
  +                console.log(errMsg + pathCheck);
  +                return false;
               }
  +            return true;
           });
       }
   
  
positive.code:         })
          // Generate sitemap
          .then(function (response) {
              sitemapJsonCheck(response, ['layout.navigation.tabs'], "Missing required object path ");
  
              // Begin tab row
              var tabRowTemplate = document.getElementById('sitemap-tab-row-template');
              var tabRow = document.importNode(tabRowTemplate.content, true).querySelector('div');
              _.forEach(response.layout.navigation.tabs, function (tab, tabIndex) {
                  sitemapJsonCheck(tab, ['name','ID','content'], "Missing required object path [layout.navigation.tabs] > ");
  
                  // Setup tab link
                  var tabTemplate = document.getElementById('sitemap-tab-template');
  
negative.code:                 var portletList = tabHeader.querySelector('ul');
  
                  _.forEach(tab.content, function (parentContent, parentContentIndex) {
                      if (sitemapJsonCheck(parentContent, ['content'], "Missing required object path [layout.navigation.tabs] > content > ")) {
                          return;
                      }
  
                      _.forEach(parentContent.content, function (portlet, portletIndex) {
                          if (sitemapJsonCheck(portlet, ['name', 'fname', 'ID'], "Missing required object path [layout.navigation.tabs] > content > content > ")) {
                              return;
                          }
  
                          // Setup portlet link
                          var portletTemplate = document.getElementById('sitemap-tab-portlet-template');
  