Warning: require_once(C:\xampp\htdocs\wordpress\wp-includes/class-wpdb.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\wordpress\wp-includes\wp-db.php on line 17

Fatal error: Uncaught Error: Failed opening required 'C:\xampp\htdocs\wordpress\wp-includes/class-wpdb.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\wordpress\wp-includes\wp-db.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wordpress\wp-includes\wp-db.php on line 17