Problem with php cron job

Having an issue running a php cron job - see error below along with php file!

ERROR: "setPrefixedCookie: Can't set cookie, headers already sent! Output started in line 0."

<?php
  $libraryPath = 'cmsAdmin/lib/viewer_functions.php';
  $dirsToCheck = array('/home/claimsca/public_html/','','../','../../','../../../');
  foreach ($dirsToCheck as $dir) { if (@include_once("$dir$libraryPath")) { break; }}
  $where2 = "";
  $where2 = 'disabled = 0';
  $where = '';
  $where = 'remove_record_from_listing = 0 and status != "Final"';
  // load records
  list($listingRecords, $listingMetaData) = getRecords(array(
    'tableName'   => 'listing',
    'where'       => $where,
    'orderBy'     => 'num',
  ));
  list($accountsRecords, $accountsMetaData) = getRecords(array(
    'tableName'   => 'accounts',
    'where'       => $where2,
  ));
?>
<?php foreach ($accountsRecords as $record):?>
<?php
                $activeNum     = 0;
                $n = 0;
                ?>  
                <?php foreach ($listingRecords as $record1): ?>
                <?php $n = $n + 1;?>
                <?php if ($record1['in_adjuster'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1['in_dispatcher'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1['in_processor'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1[in_agent'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1['i_adjuster'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1['i_dispatcher'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1['i_processor'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php elseif ($record1['i_agent'] == $record['num']): ?>
                <?php $activeNum = $activeNum + 1; ?>
                <?php else: ?>
                <?php $activeNum = $activeNum + 0; ?>
                <?php endif; ?>
                <?php endforeach ?>
                <?php clearstatcache();?>
                <?php
                $query = "UPDATE `{$TABLE_PREFIX}accounts` SET
                      
                                            
                      inventory_working          = $activeNum,
                      inventory_total            = $n,       
                      updatedDate                = NOW()

                      
                 WHERE num = '".mysql_escape( $record['num'] )."'";
                 mysql_query($query) or die("MySQL Error:<br/>\n". htmlspecialchars(mysql_error()) . "\n");
                 $userNum = mysql_insert_id();
exit;                 
                 ?>
                 
<?php endforeach ?>


Thanks - nmsinc