TheWand75 on "[Plugin: Contact Form 7] Can't send form"

I have used Contact Form 7 on over 40 sites I've built but for some reason on this new site it will not send.

I am using the Jupiter Theme on Wordpress 4.2.3

http://www.hazelgrovefc.co.uk/player/

Keep getting - Failed to send your message. Please try later or contact the administrator by another method.

Please can anyone help?

https://wordpress.org/plugins/contact-form-7/