What does the message 'errordocument to handle the request' mean in the context of a 403?

The phrase 'errordocument to handle the request' indicates that your web server is attempting to use a custom error page (an error document) to display the 403 Forbidden message. This suggests you've configured a custom error handling mechanism, but it's likely failing to properly display the error. The error document might be missing, corrupted, or have incorrect permissions.