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 -- Luis Fernando Lacayo Chicago Public Schools Senior Unix Administrator ITS/ UNIX Infrastructure Office: 773-553-3835 Cell: 773-203-4493