fixed bugs introduced in last version

src/index.js

@@ -63,7 +63,7 @@ window.addEventListener('DOMContentLoaded', function () {
     eventHandler.add("click", "#app-navigation", "#search-download", helper.showDownload);
     eventHandler.add("change", "#app-navigation", "#ncd-hide-errors", e => {
         let data = {};
-        data["ncd_hide_errors"] = e.target.checked === "true";
+        data["ncd_hide_errors"] = e.target.checked;
         const url = helper.generateUrl(basePath + "/personal/save");
         Http.getInstance(url).setData(data).setHandler(resp => {
             if (resp['message']) {

src/utils/helper.js

@@ -182,9 +182,11 @@ const helper = {
     showErrors(target) {
         let errors = document.querySelectorAll(target);
         errors.forEach(element => {
-            helper.message(element.getAttribute('data-error-message'), 20000);
+            let msg;
+            if (msg = element.getAttribute('data-error-message'))
+                helper.message(msg, 20000);
         })
-    }
+    },
 }
 
 export default helper