action error
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'wp_cron' not found or invalid function name in /home/content/35/5643135/html/wp-includes/plugin.php on line 496

Fatal error: Call to undefined function wp_next_scheduled() in /home/content/35/5643135/html/wp-includes/update.php on line 627