error message

[darkangel]

after finally getting rid of that stupid mysql error with the "fix" that was reported to do at smf forums...I am cursed with this one now.

I have included both the error message as well as the lines involved with the actual ones in red. How to get rid of it, is it something that needs fixing or can just ignore totally. BTW, it is all themes, 2.0 smf

[19-May-2012 05:33:05] PHP Warning:  Cannot modify header information - headers already sent by (output started at /Sources/TPdlmanager.php:1864) in /Sources/Errors.php on line 350
/Sources/Errors.php on line 351
/Sources/Errors.php on line 352
/Sources/Errors.php on line 355
/Sources/Errors.php on line 356
/Sources/Errors.php on line 357

// Show an error message for the connection problems.
function show_db_error($loadavg = false)
{
   global $sourcedir, $mbname, $maintenance, $mtitle, $mmessage, $modSettings;
   global $db_connection, $webmaster_email, $db_last_error, $db_error_send, $smcFunc;

   // Just check we're not in any buffers, just in case.
   for ($i = ob_get_level(); $i > 0; $i--)
      @ob_end_clean();
      
   // Don't cache this page!
   header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
   header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
   header('Cache-Control: no-cache');

   // Send the right error codes.
   header('HTTP/1.1 503 Service Temporarily Unavailable');
   header('Status: 503 Service Temporarily Unavailable');
   header('Retry-After: 3600');

   if ($loadavg == false)
   {
      // For our purposes, we're gonna want this on if at all possible.
      $modSettings['cache_enable'] = '1';

      if (($temp = cache_get_data('db_last_error', 600)) !== null)
         $db_last_error = max($db_last_error, $temp);

      if ($db_last_error < time() - 3600 * 24 * 3 && empty($maintenance) && !empty($db_error_send))
      {
         require_once($sourcedir . '/Subs-Admin.php');