From 2f9f9636162710b45f16a69b72fc68902f49b6ae Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Wed, 14 Oct 2015 08:17:52 +0200
Subject: [PATCH] [update] show default error message if empty message

---
 core/js/update.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/js/update.js b/core/js/update.js
index fd3c7a56bd..79bf7c5ffb 100644
--- a/core/js/update.js
+++ b/core/js/update.js
@@ -45,6 +45,7 @@
 				hasWarnings = true;
 			});
 			updateEventSource.listen('error', function(message) {
+				message = message || t('core', 'An error occurred.');
 				$('<span>').addClass('error').append(message).append('<br />').appendTo($el);
 				message = t('core', 'Please reload the page.');
 				$('<span>').addClass('error').append(message).append('<br />').appendTo($el);
-- 
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