Plugin Conflicts
How to Find Which Plugin Is Breaking Your WordPress Site
The short answer Read the error before you start switching plugins off. WordPress’s “critical error” email and your debug log often name the plugin that failed. If there is no error, copy the site to a staging site, turn off half the plugins, and check if the problem goes away. Keep halving the suspect group…
WordPress White Screen of Death (or Critical Error): How to Fix It
The short answer The WordPress white screen of death is a blank page, or the message “There has been a critical error on this website,” shown when PHP hits an error it cannot recover from. A plugin, a theme or a recent update is usually the cause. Check your email for WordPress’s recovery link, then…