The REST API Error appears when WordPress cannot process API requests. It usually shows as a 500 or 403 response when accessing /wp-json/ endpoints. The error indicates that something on the server or in WordPress is blocking or misconfiguring the API.
WordPress can’t find the required style.css in the active theme folder, so the theme won’t load and the site falls back to the default theme or shows an error banner.
The Plugin Conflict Error happens when two or more WordPress plugins use the same functions, hooks, or database tables, causing a clash. WordPress stops loading to prevent site crashes, displaying this error.
The "Failed Auto-Update" error appears when WordPress cannot complete a core, plugin, or theme update automatically. It usually indicates a problem with file permissions, network connectivity, or a corrupted update package.
The Too Many Redirects error happens when WordPress keeps sending the browser back and forth between URLs, creating a loop that stops the page from loading. It’s usually caused by mis‑configured URLs, plugin conflicts, or incorrect rewrite rules.
The Memory Exhausted Error in WordPress means PHP ran out of allocated memory while executing a request. It stops the page load and shows an error to the user.
The White Screen of Death (WSD) is a blank page that appears when WordPress can’t load any PHP code. It usually signals a fatal error, memory exhaustion, or corrupted core files.
The 'Error Establishing Database Connection' message appears when WordPress cannot connect to its MySQL database. It usually means the credentials in wp-config.php are wrong, the database server is down, or the database file is corrupted.
A fatal PHP error that stops WordPress from loading, shown as a white screen with the message "WordPress Critical Error".
The 500 Internal Server Error is a generic server‑side problem that tells WordPress can’t process a request. It usually appears as a blank page or a red error banner and indicates that something on the server or in your WordPress installation is failing before the page can be rendered.