Akismet error on nginx server with FastCGI

I get the following error on a Nginx server about akismet, in a FSContact form, does anyone know if akismet needs something special done on an Nginx server to work properly? Or is this a problem with Fast Secure Contact Form?:

[error] 15301#0: *1029077 FastCGI sent in stderr: “PHP message: Array
(
[akismet_debug] => Array
(
[akismet_url] => https://accountno999.rest.akismet.com/1.1/comment-check
[http_args] => Array
(
[body] => user_ip=73.235.204.215&user_agent=Mozilla%2F5.0+%28Windows+NT+5.1%3B+rv%3A45.0%29+Gecko%2F20100101+Firefox%2F45.0&referrer=http%3A%2F%2Fwww.humortimes.com%2Fvideos%2F1805-user-submitted-videos%2Fsubmission-form%2F&blog=http%3A%2F%2Fwww.humortimes.com&blog_lang=en_US&blog_charset=UTF-8&permalink=http%3A%2F%2Fwww.humortimes.com%2Fvideos%2F1805-user-submitted-videos%2Fsubmission-form%2F&comment_type=contact-form&comment_author=testfirst+testlast&comment_author_email=ht1%40dcn.org&comment_content=%3Cb%3ETo%3A%3C%2Fb%3E%0AWebmaster%0A%0AFirst+Name%3A+testfirst%0ALast+Name%3A+testlast%0A%0A%3Cb%3EEmail%3A%3C%2Fb%3E%0Aht1%40dcn.org%0A%0A%3Cb%3EMessage%3A%3C%2Fb%3E%0Atest%0A%0A%3Cb%3EVideo+Type%3A%3C%2Fb%3E%0ACreated+by+me%0A%0A%3Cb%3EYouTube+URL+of+video%3C%2Fb%3E%0Ahttps%3A%2F%2Fyoutu.be%2″ while reading response header from upstream, client: 73.235.204.215, server: content.humortimes.com, request: “POST /videos/1805-user-submitted-videos/submission-form/ HTTP/1.1”, upstream: “fastcgi://unix:/var/run/php-fpm/php-fpm.sock:”, host: “www.humortimes.com”, referrer: “http://www.humortimes.com/videos/1805-user-submitted-videos/submission-form/”

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