What the WordPress technical issue email means
WordPress has built-in fatal error protection. When a PHP fatal error is detected and WordPress can associate it with a plugin or theme, Recovery Mode can provide a special login link and information about the fault.
The email subject commonly includes Your Site is Experiencing a Technical Issue. It is sent to the site's administration email address and can include the affected page, the suspected plugin or theme and PHP error details.
Recovery Mode is intended to give an administrator a route back into WordPress when the normal dashboard or public site has been disrupted. It does not itself repair the faulty code. The cause still needs to be identified, corrected and tested before normal operation is assumed.
Common causes of WordPress Recovery Mode
Plugin and theme code is a common source of fatal errors, particularly immediately after an installation, update or configuration change. An extension may call a missing function, use incompatible PHP syntax, load conflicting code or depend on another component that is no longer available.
A PHP version change can expose older code that is not compatible with the PHP 8.x version now running on the server. Custom theme functions and bespoke plugins can fail for the same reason.
Fatal errors can also come from exhausted PHP memory, missing files or damaged extension files. The timing matters: if the email arrived immediately after a plugin, theme or PHP change, investigate that change first rather than updating several unrelated components at once.
How to use WordPress Recovery Mode safely
- Read the recovery email carefully. Note the plugin or theme named in the error and the PHP file path. Do not forward login links, passwords or hosting credentials by email.
- Take a full backup. Back up the complete website files and database before editing files, replacing extensions or changing configuration.
- Use the Recovery Mode link if it is available. Sign in through the link sent to the site's administration email and inspect the Plugins and Themes screens. Recovery Mode can pause a faulty extension for that recovery session so you can investigate.
- Reverse the most recent relevant change. If a plugin or theme update caused the problem, deactivate it and install a known compatible release from its legitimate source. Test updates on staging where possible.
- Check the site's PHP version and compatibility. Do not downgrade or change PHP blindly. Confirm that WordPress, the active theme and required plugins support the target PHP 8.x version.
- Use logging only when more detail is needed. After taking a backup, temporary debugging can be enabled in wp-config.php without displaying PHP errors publicly.
define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true );
define( 'WP_DEBUG_DISPLAY', false );Review wp-content/debug.log, then disable debugging when the investigation is complete. Debug logs can contain paths and other sensitive diagnostic information, so they should not be left publicly accessible.
When a WordPress fatal error needs professional help
Stop troubleshooting if Recovery Mode does not restore access, the error points to custom PHP you do not recognise, several extensions fail together, or the site remains broken after the suspected plugin or theme has been disabled. Repeated fatal errors can also indicate a PHP compatibility or hosting problem that needs server-level diagnosis.
Never send passwords in a support ticket or email. Our Emergency Fix costs £249 per incident with a response within 2 working hours. For ongoing updates and monitoring, care plans start at £59 a month.