Check if the the quotes and passwords in the secret.php are set correctly. gretz Killsystem On Mon, 10 Nov 2008 12:39:04 -0600, Luis Fernando Lacayo <lflacayo@xxxxxxxxxxxxx> wrote: > HI everyone, > > I am trying to update my Racktables software and I am getting this > error. > > Warning: Cannot modify header information - headers already sent by > (output started at /tmp/aa/RackTables-0.16.4/inc/secret.php:18) > in /tmp/aa/RackTables-0.16.4/upgrade.php on line 1537 > > Warning: Cannot modify header information - headers already sent by > (output started at /tmp/aa/RackTables-0.16.4/inc/secret.php:18) > in /tmp/aa/RackTables-0.16.4/upgrade.php on line 1538 > <div class=msg_error>An error has occured in [upgrade.php]. Additional > information:<br><p> > <pre> > You must be authenticated as an administrator to complete the upgrade. > </pre></p>Go back or try starting from <a href='http://./'>index > page</a>.<br></div> > > Any Ideas.... > > thanks, > > Luis > >