androidgalaxy on "[Plugin: W3 Total Cache] Plugin could not be activated because it triggered a fatal error."

I am getting this error after installing w3 total cache on http://bookzoul.com/

below is the error code

Fatal error: Call to undefined function w3tc_button_link() in /home/vishal/public_html/bookzoul.com/wp-content/plugins/w3-total-cache/lib/W3/GenericAdminEnvironment.php on line 99

http://wordpress.org/plugins/w3-total-cache/