angsaysrawr

I figured this out.

You will need to edit the UserAccessManager.class.php file in the class folder.

Look for the following:

if (count($aGroups) > 0) {
            $sLink .= ' | '.TXT_UAM_ASSIGNED_GROUPS.': ';

            foreach ($aGroups as $oGroup) {
                $sLink .= $oGroup->getGroupName().', ';
            }

            $sLink = rtrim($sLink, ', ');
        }

        return $sLink;
    }

You need to replace that code with:

if (count($aGroups) > 0) {
            $sLink .= ' ';

            foreach ($aGroups as $oGroup) {
                $sLink .= ' ';
            }

            $sLink = rtrim($sLink, ', ');
        }

        return $sLink;
    }

This is what the first user sees when they try to comment: http://grab.geekpowered.me/NHGy

This is the test post I created: http://geekpowered.me/2016/01/28/test/

In the prior post, I turned off WP Sentry and it allowed people to comment. As an admin I can reply to comments with WP Sentry turned on, however, non-Admin users get the routed to the page showing in the screenshot.

In addition, as an Admin if I try to comment on a post that has no comments, it takes me to the Oops, page not found page, but as a Subscriber, it takes me to a blank page.

WordPress is up to date: 4.4.1 and I am using a custom theme.