From 0c5fbe6c91f772c8815407940afbd40c2a9ca067 Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Thu, 12 Oct 2017 16:04:10 +1300
Subject: [PATCH] CRM-21294 js error when selecting & unselecting merge
 contacts

---
 templates/CRM/Contact/Page/DedupeFind.tpl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/templates/CRM/Contact/Page/DedupeFind.tpl b/templates/CRM/Contact/Page/DedupeFind.tpl
index 40a4bb37cd..d4b15678a7 100644
--- a/templates/CRM/Contact/Page/DedupeFind.tpl
+++ b/templates/CRM/Contact/Page/DedupeFind.tpl
@@ -334,8 +334,10 @@
     else {
       var id = [];
       CRM.$(element).each(function() {
-        var sth = CRM.$('input.crm-dedupe-select', this);
-        id.push(CRM.$(sth).prop('name').substr(5));
+        var pnName = CRM.$('input.crm-dedupe-select', this).prop('name');
+        if (pnName !== undefined) {
+          id.push(pnName.substr(5));
+        }
       });
       var is_selected = CRM.$('.crm-dedupe-select-all').prop('checked') ? 1 : 0;
     }
-- 
2.25.1