WordPress Troubleshooting Guide

Fix common WordPress errors and problems with our comprehensive troubleshooting guide.

WordPress is reliable, but issues can occur. This guide covers the most common WordPress errors and how to fix them quickly.

Common WordPress Errors

Symptoms: Blank white screen, no error messages

Common Causes:

  • PHP memory limit exceeded
  • Plugin or theme conflict
  • PHP errors

Solutions:

  1. Increase PHP memory limit in wp-config.php: define('WP_MEMORY_LIMIT', '256M');
  2. Enable WP_DEBUG to see errors
  3. Deactivate plugins via FTP
  4. Switch to default theme

Causes: Incorrect database credentials, database server down, corrupted database

Solutions:

  1. Verify wp-config.php database settings
  2. Check if database exists in cPanel
  3. Repair database: add define('WP_ALLOW_REPAIR', true); to wp-config.php, visit yourdomain.com/wp-admin/maint/repair.php
  4. Contact Taiwan Web Hosting if database server is down

Causes: Corrupted .htaccess, PHP errors, insufficient memory, plugin conflicts

Solutions:

  1. Rename .htaccess file to .htaccess_old
  2. Go to Settings → Permalinks and save to regenerate .htaccess
  3. Increase PHP memory limit
  4. Check error logs in cPanel
  5. Disable plugins one by one

Cause: Permalink settings issue

Solution:

  1. Go to Settings → Permalinks
  2. Click "Save Changes" without changing anything
  3. If that doesn't work, ensure .htaccess is writable

Solutions:

  1. Reset password via email
  2. Reset via phpMyAdmin: Go to wp_users table, edit your user, set user_pass to MD5 hash of new password
  3. Use emergency password reset script

Debugging WordPress

Enable WordPress debugging to see detailed error messages. Add to wp-config.php:

define('WP_DEBUG', true);
define('WP_DEBUG_LOG', true);
define('WP_DEBUG_DISPLAY', false);

Errors will be logged to wp-content/debug.log

Getting Help

  • Taiwan Web Hosting Support: 24/7 expert assistance - Contact us
  • WordPress Forums: Community support
  • Error Logs: Check cPanel error logs for details
  • Plugin Support: Contact plugin authors
Prevention Tips
  • Keep WordPress, themes, and plugins updated
  • Use reputable plugins from WordPress.org
  • Regular backups
  • Test updates in staging first
  • Monitor site with performance tools

Need WordPress Help?

Taiwan Web Hosting provides free WordPress troubleshooting support 24/7.