WordPress Error Debugging Guides
Step-by-step fixes for common WordPress errors, white screens, and database issues.
WordPress Admin Login Redirect Loop
This frustrating issue occurs when you enter correct login credentials but keep getting sent back to the login page. The…
WordPress White Screen of Death
The WordPress White Screen of Death (WSOD) is one of the most common and frustrating WordPress errors. Your site shows…
WordPress Upload Error: Exceeds Maximum Upload Size
This error occurs when you try to upload a file larger than the server’s configured maximum. WordPress shows the current…
WordPress Too Many Redirects (ERR_TOO_MANY_REDIRECTS)
The ‘Too Many Redirects’ error means your browser detected a redirect loop — the server keeps sending the browser back…
WordPress Parse Error: Syntax Error in functions.php
A parse error in functions.php completely breaks your site because WordPress loads this file on every page request. If there’s…
WordPress Mixed Content Warnings After SSL
Mixed content warnings appear when your HTTPS page loads some resources (images, scripts, stylesheets) over insecure HTTP. Browsers block ‘active’…
WordPress Admin Dashboard Loading Slowly
A slow WordPress admin is often caused by different factors than a slow frontend. The admin loads more PHP, makes…
WordPress Missed Scheduled Posts and Cron Issues
WordPress uses a pseudo-cron system (WP-Cron) that fires on page loads. Unlike a real server cron job that runs at…
WordPress REST API Errors and 401/403 Responses
The WordPress REST API is used by the block editor (Gutenberg), many plugins, and external integrations. When it’s blocked or…
WordPress Pages Returning 404 (Permalink Issue)
One of the most common WordPress issues: your pages and posts exist in the database, but visiting them returns a…
WordPress Fatal Error: Allowed Memory Size Exhausted
The ‘Allowed memory size exhausted’ error occurs when a PHP script tries to use more memory than the limit allows.…
WordPress Fatal Error: Maximum Execution Time Exceeded
This error occurs when a PHP script runs longer than the allowed time limit. The default is usually 30 seconds.…
500 Internal Server Error in WordPress
The 500 Internal Server Error is a generic HTTP error that means something went wrong on the server, but the…
WordPress File Permission Errors and Security Best Practices
WordPress needs write access to certain directories (wp-content/uploads, wp-content/cache) to function properly. If file permissions are wrong, you’ll get errors…
Error Establishing a Database Connection
‘Error establishing a database connection’ means WordPress cannot connect to your MySQL/MariaDB database. This is one of the most alarming…
WordPress ‘There Has Been a Critical Error on This Website’
This error message was introduced in WordPress 5.2 as part of the ‘fatal error protection’ feature. It replaced the blank…
WordPress ERR_CONNECTION_TIMED_OUT
ERR_CONNECTION_TIMED_OUT means the browser couldn’t establish a connection to the server within the timeout period (usually 30 seconds). Unlike a…
WordPress ‘Briefly Unavailable for Scheduled Maintenance’
During updates, WordPress creates a .maintenance file in the root directory. This file puts the site in maintenance mode while…
WordPress Slow Queries from Autoloaded Options Bloat
Every WordPress page load queries all autoloaded options from the wp_options table. If this data grows too large (over 500KB),…