From c165fc02d715f95582c5a109d9cbe98bd4b8e393 Mon Sep 17 00:00:00 2001
From: Jan <bedrop-de@users.noreply.github.com>
Date: Wed, 22 Nov 2017 00:05:04 +0100
Subject: [PATCH] Fix ajax validation for array syntax (#3255)

---
 modules/system/assets/js/framework.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/system/assets/js/framework.js b/modules/system/assets/js/framework.js
index b004f7295..a0fb840fb 100644
--- a/modules/system/assets/js/framework.js
+++ b/modules/system/assets/js/framework.js
@@ -242,6 +242,9 @@ if (window.jQuery.request !== undefined) {
 
                 var isFirstInvalidField = true
                 $.each(fields, function focusErrorField(fieldName, fieldMessages) {
+
+                	fieldName = fieldName.replace(/\.(\w+)/g, '[$1]');
+
                     var fieldElement = $form.find('[name="'+fieldName+'"], [name="'+fieldName+'[]"], [name$="['+fieldName+']"], [name$="['+fieldName+'][]"]').filter(':enabled').first()
                     if (fieldElement.length > 0) {