Warning: require_once(/usr/www/users/mabotw/wp-includes/compat.php): Failed to open stream: No such file or directory in /usr/www/users/mabotw/wp-load.php on line 63

Fatal error: Uncaught Error: Failed opening required '/usr/www/users/mabotw/wp-includes/compat.php' (include_path='.:/usr/share/php') in /usr/www/users/mabotw/wp-load.php:63
Stack trace:
#0 /usr/www/users/mabotw/wp-blog-header.php(13): require_once()
#1 /usr/www/users/mabotw/index.php(10): require('/usr/www/users/...')
#2 {main}
  thrown in /usr/www/users/mabotw/wp-load.php on line 63