[Refactoring] [Attempt to fix crash]

src/redux/actions/error_actions.js

@@ -1,4 +1,7 @@
-import {showWindow, shutdownApplication} from './common_actions';
+import {
+  showWindow,
+  shutdownApplication
+} from './common_actions';
 
 let ErrorActions = [];
 
@@ -27,7 +30,7 @@ export const dismissError = () => {
 export const notifyError = (msg, critical, callback) => {
   return dispatch => {
     ErrorActions = [callback, ...ErrorActions];
-    msg = msg.toString();
+    msg = msg ? msg.toString() : 'Unknown Error';
     dispatch(setErrorInfo(msg, critical));
     dispatch(showWindow());
   };

src/redux/actions/release_version_actions.js

@@ -1,8 +1,8 @@
 import axios from 'axios';
 import * as Constants from '../../constants';
 import {createAction} from 'redux-starter-kit';
-import {setApplicationReady} from './common_actions';
 import {notifyError} from './error_actions';
+import {setApplicationReady} from './common_actions';
 
 export const CLEAR_UI_UPGRADE = 'relver/clearUIUpgrade';
 export const clearUIUpgrade = () => {
@@ -75,7 +75,7 @@ export const loadReleases = () => {
         }));
         dispatchActions(locationsLookup, versionLookup);
       }).catch(error => {
-        const releases = window.localStorage.getItem('releases');
+        const releases = localStorage.getItem('releases');
         if (releases && (releases.length > 0)) {
           const obj = JSON.parse(releases);
           const locationsLookup = obj.LocationsLookup;