Fatal error: The file /var/www/dummdumm.com/public_html/wp-content/plugins/CyberSEO | CyberSEO Pro | Support Forum

Hi. I am running cyberseo on my vps with the following specs.

/usr/local/ioncube# php5-fpm -v
PHP 5.5.9-1ubuntu4 (fpm-fcgi) (built: Apr 9 2014 17:11:57)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
with XCache v3.1.0, Copyright (c) 2005-2013, by mOo
with the ionCube PHP Loader v4.6.1, Copyright (c) 2002-2014, by ionCube Ltd., and
with Zend OPcache v7.0.3, Copyright (c) 1999-2014, by Zend Technologies
with XCache Optimizer v3.1.0, Copyright (c) 2005-2013, by mOo
with XCache Cacher v3.1.0, Copyright (c) 2005-2013, by mOo
with XCache Coverager v3.1.0, Copyright (c) 2005-2013, by mOo

Even though my system is meeting all requirements I am still getting the following error message when trying to activate the plugin.

Fatal error: The file /var/www/dummdumm.com/public_html/wp-content/plugins/CyberSEO/cyberseo-core.php was encoded by the ionCube Encoder for PHP 5 and cannot run under PHP 5.5. Please ask the provider of the script to provide a version encoded with the ionCube Encoder for either PHP 5.3 or PHP 5.4 or PHP 5.5. in Unknown on line 0

I am running the latest version of wordpress with no other plugins activated.