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[melamers]

OK, new backup installed. Currently no plugins active. X theme active
Feed validator

http://validator.w3.org/feed/check.cgi?url=http%3A%2F%2Fwww.landcmag.com%2Ffeed%2F

says

Recommendations

This feed is valid, but interoperability with the widest range of feed readers could be improved by implementing the following recommendations.

line 11, column 8: title should not be blank [help]

<title></title>

now, change to theme Twenty Fifteen and message is gone. Feed shows normally in browser in both cases.
Now activate X again (Cornerstone is activated automatically) and title message reappears.
Only change I made compared to live site is option to “Discourage search engines from indexing this site” and in robots.txt to disallow all

So a confirmation of what I said before. Please don’t respond with the generic “check your host”

[Christian]

That was not a generic response. I did check your setup and the validator message and your feed URL couldn’t be validated and the validator’s suggestion was pointing to your setup.

Further investigating, the issue is not in X as this is not a problem with my test site. I removed your additional custom functions in functions.php and the issue was fixed. When you switched to another theme, your custom function is not there.

Here’s your function:

add_filter('wp_title_rss','mychange_wp_title_rss');

function mychange_wp_title_rss() {
	return '';
}

add_filter( 'it_exchange_ajax_upgrade_rate', function( $rate, $upgrade ) {

    if ( $upgrade->get_slug() === 'memberships-repair-member-access' ) {
        $rate = 15;
    }

    return $rate;
}, 10, 2 );

You filtered wp_title_rss

The validator returns no error now https://validator.w3.org/feed/check.cgi?url=http%3A%2F%2Fwww.landcmag.com%2Ffeed%2F

[melamers]

Wow, did not see that one coming. No idea why the function was there.
I’ll remove it on my live site as well.

Thanks for pointing me in the right direction!
Marcel

[Christian]

You’re welcome.

[Author]

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