From 679542eaaa654e7d298446331fd4dde2fa011b59 Mon Sep 17 00:00:00 2001
From: Stephen Abello <stephen.abello@combodo.com>
Date: Thu, 10 Jun 2021 15:03:31 +0200
Subject: [PATCH] =?UTF-8?q?N=C2=B04051=20Add=20robustness?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 js/forms-json-utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/forms-json-utils.js b/js/forms-json-utils.js
index 45bd1fdb7..23b897689 100644
--- a/js/forms-json-utils.js
+++ b/js/forms-json-utils.js
@@ -197,7 +197,7 @@ function activateFirstTabWithError(sFormId) {
 
 	$tabs.each(function (index, element) {
 		var $fieldsWithError = $(element).find(".form_validation");
-		if ($fieldsWithError.length > 0)
+		if ($fieldsWithError.length > 0 && ($tabsContainer.tabs("instance") !== undefined))
 		{
 			$tabsContainer.tabs("option", "active", index);
 			return false;