[Defender Pro] Host sending PHP error info

Here is what I am being told.

Then I checked your error logs for this domain, I was able to see a
warning and a few errors here in regard to your installed plugin '
wp-defender '.
[Wed Jun 19 03:38:09 2019] [error] [client 46.166.143.116] PHP Warning:
count(): Parameter must be an array or an object that implements
Countable in
/home/willew21/thefriendsofshellmanbluff.org/wp-content/plugins/wp-defender/app/module/ip-lockout/controller/main.php
on line 643, referer: https://thefriendsofshellmanbluff.org/contact/
[Wed Jun 19 03:38:15 2019] [error] [client 46.166.143.116] Premature end
of script headers: php72.cgi, referer:
https://thefriendsofshellmanbluff.org/contact/

In regard to this error Bill, I did a bit of searching online. I was able
to see that this is not the first instance of this particular issue with
this plugin. I would recommend that you contact the designers/support for
this plugin.