Fatal error: Uncaught Error: Call to undefined function is_multisite() in /home2/brightly/public_html/wp-includes/wp-db.php:505 Stack trace: #0 /home2/brightly/public_html/wp-includes/wp-db.php(1592): wpdb->__construct('DB_USER', 'DB_PASSWORD', 'DB_NAME', 'DB_HOST') #1 {main} thrown in /home2/brightly/public_html/wp-includes/wp-db.php on line 505