Warning: require(/home/server720756/ftp/wp-includes/version.php): Failed to open stream: No such file or directory in /home/server720756/ftp/wp-settings.php on line 33

Fatal error: Uncaught Error: Failed opening required '/home/server720756/ftp/wp-includes/version.php' (include_path='.:/usr/share/php:/usr/share/pear') in /home/server720756/ftp/wp-settings.php:33 Stack trace: #0 /home/server720756/ftp/wp-config.php(90): require_once() #1 /home/server720756/ftp/wp-load.php(37): require_once('/home/server720...') #2 /home/server720756/ftp/wp-blog-header.php(13): require_once('/home/server720...') #3 /home/server720756/ftp/index.php(17): require('/home/server720...') #4 {main} thrown in /home/server720756/ftp/wp-settings.php on line 33