.htaccess not removing file extensions

So here is the link in question:

The setup of my .htaccess file is as follows:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}\.html -f
RewriteRule ^(.*)$ $1.html
ErrorDocument 404 /404.html

So it should be removing the .html part, but when you navigate to the link, it errors:

Any thoughts or suggestions?


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The rules look fine to me, so I’m suspecting that Apache isn’t reading the .htaccess file in the first place. That could happen if it is not configured to do so. Open your VirtualHost config (usually /etc/apache2/sites-enabled/file) and make sure AllowOverride is set to All like so:

     <Directory /var/www/html>
        Options FollowSymLinks
        AllowOverride all
        Require all granted

Restart Apache so that the changes take effect.