Warning: require(/home/appp/www/wp-includes/version.php): Failed to open stream: No such file or directory in /home/appp/www/wp-settings.php on line 34

Fatal error: Uncaught Error: Failed opening required '/home/appp/www/wp-includes/version.php' (include_path='.:') in /home/appp/www/wp-settings.php:34 Stack trace: #0 /home/appp/www/wp-config.php(63): require_once() #1 /home/appp/www/wp-load.php(50): require_once('/home/appp/www/...') #2 /home/appp/www/wp-blog-header.php(13): require_once('/home/appp/www/...') #3 /home/appp/www/index.php(17): require('/home/appp/www/...') #4 {main} thrown in /home/appp/www/wp-settings.php on line 34