WordPress white screen of death is one of the most common WordPress errors. There is no message prompting to be locked out of the WordPress site. Another problem with the white screen of death error is that sometimes it only affects one part of the website. For example, you may only see the white screen of death in the WordPress admin area, while the rest is unaffected. Or you may see it on specific posts. Caveat again: always backup WordPress before making changes to your site...