Plugin Error - Please Help

I user on my site just signed up and sent me the following message:

http://FounderSync.com

"Also ... After signing up, I saw this error appear.

Warning: extract() expects parameter 1 to be array, integer given in /home/founders/public_html/wp-content/plugins/remove-email-verification/classes/public.removeverification.php on line 169"

Please advise.