How do I show the WP admin error page?
wp_die() See the codex for full usage details: https://codex.wordpress.org/Function_Reference/wp_die You can even include html in the message field if you want to.
404-error
Intermittent 404 errors, rewrite rules, and BBPress
There’s a known issue with LearnDash and bbPress/BuddyPress which can cause this, I ran into the same thing myself. Maddening! And it’s proportional to the number of BP events being generated so the more user activity you have, the more it occurs. Details in the LearnDash support site here. I used the following code to … Read more
404 after moving localhost wp to server
If you’re using query monitor plugin, remove .db file from wp-content folder.
Intercept 404 and try to serve another content if exists?
In WP, the 404.php template is used if a page is not found. If 404.php is not in your theme, then a generic Not Found is returned. Make a child theme (since you never want to change theme code directly), then copy the 404.php file from the theme folder into your child theme folder. Then … Read more
oEmbed 404 errors when trying to use embed block
Answering my own question… I figured it would be something simple. I had assumed that the videos I was trying to embed had ‘allow embedding’ activated. They didn’t. When you edit the video in Youtube Studio, go to the “Advanced” tag and click “Allow Embedding”. It’s the only way a Youtube video will show in … Read more
Getting a 404 in Debugger for example.com/wp-admin/Array?
If I am not mistaken in PHP Array commonly comes up when array variable is wrongfully used where string is expected. But from this information I have trouble suggesting where exactly that can go wrong.
Intermittently missing pages and posts in WordPress
When you use W3TC with Nginx, it wants to write a nginx.conf file into your server root, do you have that file in place, writable by the nginx user? Also, did you add an include directive in your primary nginx config to pull that file in? For example, in my /etc/nginx/sites-enabled/dougal.gunters.org config file, I’ve got … Read more
post parameter ‘name’ 404 error
It sounds as though WorldPay is responsible for sending the overly generic name parameter so you aren’t in a position to control that. You will instead have to catch the request and force it to work. Something like: function redir_404_wpse_137703() { if (is_404() && isset($_GET[‘name’])) { locate_template(‘some-theme-template.php’,true); exit; } } add_action(‘template_redirect’,’redir_404_wpse_137703′); some-theme-template.php will need to … Read more
Nginx with WordPress not showing template 404 for certain file types
I received a response with code that fixed the issue from rtcamp.com Add this code to the nginx site configuration for the domain has the issue with not all 404 requests being handled by WordPress: if (!-e $request_filename) { rewrite ^/(.+)$ /index.php?q=$1 last; }
Conditional for 404 page not work
You should wrap your enqueue/register function in your conditional, not your add_action() You can try something like this using the is_404() conditional check function enqueue_404_script() { if(is_404()) { //do what you need to do } } add_action( ‘wp_enqueue_scripts’, ‘enqueue_404_script’ );