Issues installing commercial modules on FreePBX 14

When trying to install freepbx SystemAdmin module

I am getting a error screen

On the left edge i have the following errors.

admin/modules/sysadmin/install.php17
5
mkdir
/var/www/html/admin/modules/sysadmin/install.php17
4
include_once
/var/www/html/admin/libraries/modulefunctions.class.php2499
3
module_functions _doinclude
/var/www/html/admin/libraries/modulefunctions.class.php2451
2
module_functions _runscripts
/var/www/html/admin/libraries/modulefunctions.class.php1985
1
module_functions install

In the middle I have

admin/modules/sysadmin/install.php

<?php @Zend; 0604; ?>

System Admin 14.0.7.22
Copyright 2017 by Schmoozecom, Inc., All rights reserved

By installing, copying, downloading, distributing, inspecting or using
the materials provided herewith, you agree to all of the terms of use as
outlined in our End User Agreement which can be found and reviewed at

<?PHP exit(); __halt_compiler(); ?>

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You need to install zend guard
What are you running this on?