Warning: PHP Startup: failed to open stream: No such file or directory in /wp-settings.php on line 207

Warning: PHP Startup: failed to open stream: No such file or directory in /wp-settings.php on line 207

Fatal error: PHP Startup: Failed opening required '//wp-includes/cron.php' (include_path='.:/:/usr/local/php56/lib/pear') in /wp-settings.php on line 207