I dont understand why I get this error, could someone please help, the error is as follows:

Links Manager: Building Pages
Building Pages
Pages built on 13-Sep-1999 at 21:06:29
--------------------------------------------------------

Backing up database . . .
Backing up links, category and email database (File::Copy) ...

CGI ERROR
==========================================
Error Message : Unable to copy links backup. Reason: Permission denied
Script Location : /data1/hypermart.net/mattmueller/cgi-bin/links/admin/nph-build.cgi
Perl Version : 5.00404

Thanks
Matt Mueller

change the permissions to 777