I can send mass PM using this Mod. but an error displayed at the top when I clicked "Profile", "Register" and the "Mass PM icon",
Warning: Cannot modify header information - headers already sent by (output started at /home/klnpf/public_html/phpbb/language/lang_chinese_traditional_taiwan/lang_mass_pm.php:35) in /home/klnpf/public_html/phpbb/includes/page_header.php on line 508
Warning: Cannot modify header information - headers already sent by (output started at /home/klnpf/public_html/phpbb/language/lang_chinese_traditional_taiwan/lang_mass_pm.php:35) in /home/klnpf/public_html/phpbb/includes/page_header.php on line 514
Warning: Cannot modify header information - headers already sent by (output started at /home/klnpf/public_html/phpbb/language/lang_chinese_traditional_taiwan/lang_mass_pm.php:35) in /home/klnpf/public_html/phpbb/includes/page_header.php on line 515
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the code of page_header.php on line 508 to 515
//
// Login box?
//
if ( !$userdata['session_logged_in'] )
{
$template->assign_block_vars('switch_user_logged_out', array());
}
else
{
$template->assign_block_vars('switch_user_logged_in', array());
if ( !empty($userdata['user_popup_pm']) )
{
$template->assign_block_vars('switch_enable_pm_popup', array());
}
}
// Add no-cache control for cookies if they are set
//$c_no_cache = (isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_sid']) || isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_data'])) ? 'no-cache="set-cookie", ' : '';
any suggestion, please?

