I'm running serendipity 1.1 beta5 by the way... thank you

Hello!! I'm getting teh following error when I try to load my blog


Warning: realpath() has been disabled for security reasons in /home/www/fdestefano.awardspace.com/serendipity/bundled-libs/Smarty/libs/internals/core.is_secure.php on line 25

Warning: realpath() has been disabled for security ...