How to Turn on WordPress Error Reporting
Comment out the top line there, and add the rest to your wp-config.php file to get more detailed error reporting from your WordPress site. Definitely don’t do this live, do it for local development and testing.
// define('WP_DEBUG', false);
define('WP_DEBUG', true);
define('WP_DEBUG_LOG', true);
define('WP_DEBUG_DISPLAY', false);
@ini_set('display_errors', 0);