CuteNews has detected that you are including show_news.php using the URL to this file.
This is incorrect and you must include it using the PATH to show_news.php
Example:
this is WRONG : <?PHP include("http://yoursite.com/cutenews/show_news.php"); ?>
this is CORRECT: <?PHP include("cutenews/show_news.php"); ?>
// if you think this message shouldn't be shown, open show_news.php and delete it from there