WordPress Admin Not Working – Error 500

If you find after updating a WordPress version the website functions but you can no longer login to the admin area there is more than likely an issue with a plugin or the theme.

The quickest solution is edit the database options table.

  1. Locate table wp_options
  2. Find the active_plugins row
  3. Change the option_value field to: a:0:{}

This will disable all plugins, now try and login to WordPress.