Server self connect: The HTTP response test get a false http status (404)Missing

Any help appreciated, thanks.

WordPress version 4.4.2
BackWPup version 3.2.4 Get pro.
PHP version 5.5.21 (64bit)
MySQL version 5.6.29-log
cURL version 7.38.0
cURL SSL version OpenSSL/1.0.1e
WP-Cron url: https://www.what-is-permaculture.co.uk/wp-cron.php
Server self connect: The HTTP response test get a false http status (404)Missing or not expected HTTP response headers:
date: Thu, 18 Feb 2016 22:18:34 GMT
server: Apache
x-powered-by: PHP/5.5.21
expires: Wed, 11 Jan 1984 05:00:00 GMT
cache-control: no-cache, must-revalidate, max-age=0
pragma: no-cache
link: <https://www.what-is-permaculture.co.uk/wp-json/&gt;; rel=”https://api.w.org/&#8221;
set-cookie: PHPSESSID=33349abb16c757465fac23f09d27a0ed; path=/
connection: close
content-type: text/html; charset=UTF-8
Temp folder: /home/growing/public_html/wp-content/uploads/backwpup-bf1eff-temp/
Log folder: /home/growing/public_html/wp-content/uploads/backwpup-bf1eff-logs/
Server Apache
Operating System Linux
PHP SAPI cgi-fcgi
Current PHP user growing
Safe Mode Off
Maximum execution time 30 seconds
Alternative WP Cron Off
Disabled WP Cron Off
CHMOD Dir 0755
Server Time 22:18
Blog Time 22:18
Blog Timezone
Blog Time offset 0 hours
Blog language en-GB
MySQL Client encoding utf8
Blog charset UTF-8
PHP Memory limit 256M
WP memory limit 40M
WP maximum memory limit 256M
Memory in use 24.50 MB
Loaded PHP Extensions: Core, PDO, Phar, Reflection, SPL, SimpleXML, bcmath, calendar, cgi-fcgi, ctype, curl, date, dom, ereg, exif, filter, ftp, gd, gettext, hash, iconv, imap, ionCube Loader, json, libxml, mbstring, mcrypt, mysql, mysqli, mysqlnd, openssl, pcre, pdo_mysql, pdo_sqlite, posix, pspell, session, soap, sockets, sqlite3, standard, timezonedb, tokenizer, xml, xmlreader, xmlrpc, xmlwriter, xsl, zip, zlib

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