Warning: require(C:\xampp\htdocs\main/wp-includes/version.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\main\wp-settings.php on line 33

Fatal error: Uncaught Error: Failed opening required 'C:\xampp\htdocs\main/wp-includes/version.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\main\wp-settings.php:33 Stack trace: #0 C:\xampp\htdocs\main\wp-config.php(96): require_once() #1 C:\xampp\htdocs\main\wp-load.php(50): require_once('C:\\xampp\\htdocs...') #2 C:\xampp\htdocs\main\wp-blog-header.php(13): require_once('C:\\xampp\\htdocs...') #3 C:\xampp\htdocs\main\index.php(19): require('C:\\xampp\\htdocs...') #4 {main} thrown in C:\xampp\htdocs\main\wp-settings.php on line 33