[BoppinCol]

Thanks for both of your replies.

I have quickly reproduced this error in local env with, https://localbyflywheel.com/community/t/local-lightning-public-beta/14075

On my live site, which currently is just my personal private development environment, with no users, my solution above works well. No errors.

I’m tried calling swpm_auto_redirect_non_members() on init and it just crashed everything!!!

I don’t think (but don’t know 100%) that the WP main loop has been invoked. I think the is_page() function requires it to be within the loop. Sorry I am not better at WP and PHP!

I tried adding your new code block. Not sure where you meant to place it… But the original
Updating failed. Error message: The response is not a valid JSON response.

persists.

/***  Auto redirect a user who isn't logged into the site  ***/
add_filter( 'pre_get_posts', 'swpm_auto_redirect_non_members' );
function swpm_auto_redirect_non_members($query) {

	if ( function_exists('wp_doing_ajax') && wp_doing_ajax()){
	    //wp_doing_ajax() so no need to execute this code
	    return true;
	}

    $front_page_id        = get_option( 'page_on_front' );
    $current_page_id      = $query->get( 'page_id' );
    $is_static_front_page = 'page' == get_option( 'show_on_front' );

    if ( $is_static_front_page && $front_page_id == $current_page_id  ) {
        error_log( 'is static front page and current page is front page' );
        return;
    }

    if (is_admin()){
        // Inside the admin dashboard. Nothing to do.
        return;
    }

    if( !SwpmMemberUtils::is_member_logged_in() && !is_page( array( '', 'login', 'hello-world' ) ) ){
        wp_redirect( 'http://swpmtest.local/' );
        exit;
    }
}

In other words it still needs,

&& !current_user_can('administrator')

At the end of that conditional before the redirect. Which is super weird as that line should never be invoked. Think you’re on to something regarding ajax though as I don’t need to refresh the backend if I add or remove that conditional. Maybe that’s to expected behaviour but I’m just trying to be helpful!

I have mentioned it here,

https://wordpress.stackexchange.com/questions/358022/weird-gutenberg-error-updating-failed-error-message-the-response-is-not-a-val

I hope that you’re not annoyed by that. I can delete it if so. I’m really puzzled by this problem. Even though I have ‘fixed’ the issue I really want to know why it was breaking.

I’m sure you could change the arg in current_user_can(‘some-string’) to something different and still get the desired effect.

I really enjoy using this plugin so I wanted to point these things out to you guys in case you get others with a similar issue.

[BoppinCol]

The first issue is really weird.

Basically if I don’t include

&& !current_user_can('administrator')

as a condition then that breaks the Gutenberg on my theme. Which is a fairly simple child of 2016. My WP install is up-to-date and i’m using php7.3

It’s particularly interesting because it looks to me, a non-php person that line of code should never be invoked on the backend.

[Author]

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