diff --git a/apps/common/main/lib/util/utils.js b/apps/common/main/lib/util/utils.js
index 948cbb4e3..d5ee83ea3 100644
--- a/apps/common/main/lib/util/utils.js
+++ b/apps/common/main/lib/util/utils.js
@@ -762,6 +762,8 @@ Common.Utils.loadConfig = function(url, callback) {
             else return 'error';
         }).then(function(json){
             callback(json);
+        }).catch(function(e) {
+            callback('error');
         });
 };
 
diff --git a/apps/spreadsheeteditor/main/app/view/FormulaDialog.js b/apps/spreadsheeteditor/main/app/view/FormulaDialog.js
index 7e1a94cff..d5991d3be 100644
--- a/apps/spreadsheeteditor/main/app/view/FormulaDialog.js
+++ b/apps/spreadsheeteditor/main/app/view/FormulaDialog.js
@@ -159,7 +159,7 @@ define([
         hide: function () {
             var val = this.cmbFuncGroup.getValue();
             (val=='Recommended') && (val = 'Last10');
-            if (this.cmbFuncGroup.store.at(0).get('value')=='Recommended') {
+            if (this.cmbFuncGroup.store.length>0 && this.cmbFuncGroup.store.at(0).get('value')=='Recommended') {
                 this.cmbFuncGroup.store.shift();
                 this.cmbFuncGroup.onResetItems();
             }
@@ -337,7 +337,7 @@ define([
                     var removed = arr.splice(idx, 1);
                     arr.unshift(removed[0]);
                 }
-            } else if (arr.length==0 && this.cmbFuncGroup.store.at(0).get('value')=='Recommended') {
+            } else if (arr.length==0 && this.cmbFuncGroup.store.length>0 && this.cmbFuncGroup.store.at(0).get('value')=='Recommended') {
                 this.cmbFuncGroup.store.shift();
                 this.cmbFuncGroup.onResetItems();
             }