#4 Failed opening for inclusion

[Erin Spice]

Hi! I'm looking forward to getting this up and running.
I think it will be a huge help to me! I'm having a
problem installing it though. I'm getting this error,
and I don't see anything in the README about it, nor
about any configuration instructions:

Warning:
Unknown(/path/to/public_html/cpanel/cpanelproxy.php):
failed to open stream: Permission denied in Unknown on
line 0

Warning:
Unknown(/path/to/public_html/cpanel/cpanelproxy.php):
failed to open stream: Permission denied in Unknown on
line 0

Warning: (null)(): Failed opening
'/path/to/public_html/cpanel/cpanelproxy.php' for
inclusion
(include_path='.:/usr/lib/php:/usr/local/lib/php') in
Unknown on line 0

Located at http://cpanel.fuzzymonkey.net.