A 502 Bad Gateway error appears when one server receives an invalid or incomplete response from another server. On a WordPress site, that usually means a web server, proxy, CDN or PHP process failed while handling the request. The error...
Author: JL Faverio
JL Faverio is a Technical SEO Consultant specializing in WordPress, technical SEO, and website maintenance. I help businesses and agencies fix technical SEO issues, maintain WordPress websites, improve site speed, and solve problems that other developers can't. With years of experience managing hundreds of WordPress websites, I focus on practical solutions that improve search visibility and long-term website health.
How to Fix ‘There Has Been a Critical Error on This Website’ in WordPress
The WordPress message ‘There has been a critical error on this website’ means a PHP error stopped WordPress from completing the page request. The website may be completely unavailable, or the error may affect only the dashboard, one page, or...
How to Increase the Maximum Upload File Size in WordPress
WordPress may reject a theme, plugin, image, video or migration file with a message that it exceeds the maximum upload size. The limit usually comes from PHP or the hosting platform, not WordPress itself. Check your current upload limit Go...
How to Repair a WordPress Database
A damaged or poorly functioning WordPress database can cause missing content, login problems, slow pages, failed updates and database table errors. Before attempting any repair: you’ll need to perform a quick audit to confirm that the database is actually the...
How to Fix the WordPress Login Redirect Loop
A WordPress login redirect loop happens when the login form accepts your credentials but sends you back to the login screen. You may also see repeated redirects between wp-login.php, wp-admin, HTTP and HTTPS versions, or different versions of the domain....
How to Fix Missed Scheduled Posts in WordPress
WordPress labels a post Missed schedule when its publication time passes without the scheduled publishing event running successfully. The post remains unpublished until WordPress or an administrator processes it. This usually points to WP-Cron, timezone settings, low traffic, caching, resource limits...
How to Fix ‘Sorry, You Are Not Allowed to Access This Page’ in WordPress
The WordPress message Sorry, you are not allowed to access this page means the current user does not have the capability required for that admin screen. It can appear after a migration, update, plugin change, role modification or database-prefix change....
How to Fix WordPress Update Failed Errors
A WordPress update can fail while updating the core software, a plugin or a theme. The dashboard may show Update failed, Download failed, Installation failed, a permissions notice, or a connection error. Do not repeatedly click Update without identifying the...
How to Fix ‘Destination Folder Already Exists’ in WordPress
WordPress shows Installation failed: Destination folder already exists when the plugin or theme installer finds a directory with the same folder name as the package being installed. The folder may belong to an existing installation, an incomplete update or files...
How to Fix WordPress Search Not Working
When WordPress search is not working, the problem usually comes from the theme, a plugin conflict, an excluded post type, caching, or a customized search query. Start with the quick checks below before replacing the search system. Test the Default...