A PHP fatal error stops WordPress execution instantly. The interpreter encounters an...
A PHP Warning is a non‑fatal message generated by the PHP interpreter....
A PHP Notice is a non‑fatal message that PHP outputs when it...
A PHP parsing error occurs when the interpreter encounters invalid syntax in...
WordPress attempts to open a MySQL connection using values from wp-config.php. If...
WordPress needs proper file system permissions to read and write core files,...
A KILLED QUERY error occurs when MySQL stops a statement before it...
WordPress logs a LONG QUERY error when a database statement runs longer...
WordPress returns a 404 Not Found error when it fails to locate...
A 403 Forbidden error means the web server refuses to serve the...