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What do you mean by "it works"? I'm a little unclear what behaviour you are seeing.

When I'm logged in as Admin.

With Flexreg disabled, when I click on Unvalidated users in the Administration menu, the list of Unvalidated users displays properly.

With Flexreg enabled, when I click on Unvalidated users in the Administration menu, a red bar appears with the error message "Your email address could not be verified...". Then I'm redirected to the Dashboard.

I've never seen this behaviour, but then my version of Elgg doesn't have an "Unvalidated users" link in the administration menu. Is this a new Elgg feature or is it supplied by a plugin?

It seems to be part of the "uservalidationbyemail" plugin that comes with Elgg, and was enabled. I've disabled it, and "Unvalidated users" has disappeared. I've just tried to register as a new user, and haven't received a validation e-mail, so it looks like it won't work without it.

I had to disable "flexreg" and enable "uservalidationbyemail" so I could use "Unvalidated users" to resend the validation e-mail!

Kevin, Unvalidated users was added as a new feature in Elgg 1.7.4

http://community.elgg.org/pg/forum/topic/598413/elgg-blog-elgg-174-released/#annotation-2647251

I haven't tested flexreg with Elgg 1.7.4 yet, so I'm not sure what the problem is at this point. I'll try to look into it this week.

Ok, thanks. 1.7.6 is the current version. Flexreg, Flexprofile and Form all seem to work fine with it, apart from this problem. I haven't tested your other mods yet.

I think the Unvalidated users feature is important, as it allows you to see who hasn't validated their account, and you can delete people who never validate. As a new Elgg user, I can't see how I could run my site without it.

Have you had any luck with this yet Kevin? It's a conflict between the page handler uservalidationbyemail in Flexreg and in the User Validation by E-mail plugin, but I'm not clever enough to fix it! My site is about to go live, and I think this may cause me problems.

Yes, the fix will be in the next release.

To fix it before that, replace the flexreg_uservalidationbyemail_page_handler function in flexreg/start.php with this one:

function flexreg_uservalidationbyemail_page_handler($page) {
    if (isset($page[0]) && $page[0] == 'confirm') {
        include(dirname(__FILE__) . "/pages/confirm.php");
    } else if (isset($page[0]) && $page[0] == 'admin') {
        set_context('admin');
        $content = elgg_view('uservalidationbyemail/admin/users/unvalidated');
        $title = elgg_echo('uservalidationbyemail:admin:unvalidated');

        $body = elgg_view_layout('two_column_left_sidebar', '', elgg_view_title($title) . $content);

        page_draw($title, $body);
        return TRUE;
    } else {
        register_error(elgg_echo('email:confirm:fail'));
    }

    forward();
}

Oops, actually I see that there is an admin_gatekeeper(); call missing there. I think that this bug was fixed in Elgg 1.7.7.

So use this code:

function flexreg_uservalidationbyemail_page_handler($page) {
    if (isset($page[0]) && $page[0] == 'confirm') {
        include(dirname(__FILE__) . "/pages/confirm.php");
    } else if (isset($page[0]) && $page[0] == 'admin') {
        set_context('admin');
        admin_gatekeeper();
        $content = elgg_view('uservalidationbyemail/admin/users/unvalidated');
        $title = elgg_echo('uservalidationbyemail:admin:unvalidated');

        $body = elgg_view_layout('two_column_left_sidebar', '', elgg_view_title($title) . $content);

        page_draw($title, $body);
        return TRUE;
    } else {
        register_error(elgg_echo('email:confirm:fail'));
    }

    forward();
}