From 00a80e498e5ad5380afddb1be8f6a59e20c808e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20FRANCE?=
 <frederic34@users.noreply.github.com>
Date: Thu, 28 Nov 2019 23:06:04 +0100
Subject: [PATCH] $head was never initialized

---
 htdocs/core/lib/usergroups.lib.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/htdocs/core/lib/usergroups.lib.php b/htdocs/core/lib/usergroups.lib.php
index c8de3c80d2e..709832118c2 100644
--- a/htdocs/core/lib/usergroups.lib.php
+++ b/htdocs/core/lib/usergroups.lib.php
@@ -255,6 +255,7 @@ function user_admin_prepare_head()
 
 	$langs->load("users");
 	$h = 0;
+    $head = array();
 
 	$head[$h][0] = DOL_URL_ROOT.'/admin/user.php';
 	$head[$h][1] = $langs->trans("Parameters");