diff --git a/js/error_report.js b/js/error_report.js
index 8be457aced..fb0eca209c 100644
--- a/js/error_report.js
+++ b/js/error_report.js
@@ -15,6 +15,10 @@ var ErrorReport = {
      * @return void
      */
     error_handler: function (exception) {
+        // issue: 14359
+        if (JSON.stringify(ErrorReport._last_exception) === JSON.stringify(exception)) {
+            return;
+        }
         if (exception.name === null || typeof(exception.name) === 'undefined') {
             exception.name = ErrorReport._extractExceptionName(exception);
         }
diff --git a/js/functions.js b/js/functions.js
index e089904fc5..602a78786f 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -5049,7 +5049,7 @@ function configSet (key, value, only_local) {
         success: function (data) {
             // Updating value in local storage.
             if (! data.success) {
-                if(data.error) {
+                if (data.error) {
                     PMA_ajaxShowMessage(data.error);
                 } else {
                     PMA_ajaxShowMessage(data.message);