From 2c99dd7557696f984605ded8db512d2b388260c2 Mon Sep 17 00:00:00 2001
From: William Mortada <william@mortada.co.uk>
Date: Thu, 26 Oct 2017 13:50:16 +0100
Subject: [PATCH] Ensure that $docLink is defined

---
 install/index.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/install/index.php b/install/index.php
index 5774078cc5..41751b624e 100644
--- a/install/index.php
+++ b/install/index.php
@@ -1846,6 +1846,9 @@ function errorDisplayPage($errorTitle, $errorMsg, $showRefer = TRUE) {
     if (is_callable(array('CRM_Utils_System', 'docURL2'))) {
       $docLink = CRM_Utils_System::docURL2('Installation and Upgrades', FALSE, 'Installation Guide', NULL, NULL, "wiki");
     }
+    else {
+      $docLink = '';
+    }
 
     if (function_exists('ts')) {
       $errorMsg .= '<p>' . ts("Refer to the online documentation for more information: ") . $docLink . '</p>';
-- 
2.25.1