• Wednesday, February 25, 2026

Knowledge Base

How to Fix Common WordPress Errors

Troubleshooting WordPress Issues

Solutions for the most common WordPress errors.

500 Internal Server Error

  • Deactivate plugins via FTP
  • Switch to default theme
  • Check .htaccess file
  • Increase PHP memory limit

404 Page Not Found

  • Go to Settings → Permalinks
  • Click Save (regenerates .htaccess)
  • Check if page exists

Memory Exhausted

Add to wp-config.php:

define('WP_MEMORY_LIMIT', '256M');

Stuck in Maintenance Mode

Delete the .maintenance file in your WordPress root folder.

WordPress Keeps Logging Out

  • Clear browser cookies
  • Check WordPress URL settings
  • Deactivate security plugins

Images Not Loading

  • Check file permissions
  • Increase upload limits
  • Check hotlink protection

Syntax Error

You edited a PHP file incorrectly. Use FTP to fix or restore from backup.

Mixed Content Warnings

Some resources loading over HTTP instead of HTTPS. Use a plugin like Really Simple SSL.

General Troubleshooting Steps

  1. Clear cache (browser and WordPress)
  2. Deactivate plugins
  3. Switch to default theme
  4. Check error logs
  5. Restore from backup