Announcement List — gives errors

When I am trying to sign up for the subj, I am getting the following errors:

Warning: main(../support/bb-config.php): failed to open stream: No such file or directory in **dirname**/index.php on line 3

Fatal error: main(): Failed opening required ‘../support/bb-config.php’ (include_path=’.:/usr/local/lib/php’) in **dirname**/index.php on line 3