gencharitaci on "[Plugin: Wordfence Security] After enabled falcon engine,"Error 500 - Internal Server Error. ""

I checked my virtual host configuration and it seems already have correct configuration.

<Directory /var/www/virtual/mywebsite.com/htdocs>
     Options -Indexes Includes FollowSymLinks MultiViews
     AllowOverride All
     Order allow,deny
     Allow from all
</Directory>