cgi/lib/admin/rireki.plの

2120行の
$line="$count,$odrID,${$FO_ref}{'order_day'},${$FO_ref}{'id'},${$FO_ref}{'name1'},${$FO_ref}{'name2'},${$FO_ref}{'kana1'},${$FO_ref}{'kana2'},${$FO_ref}{'postal'},${$FO_ref}{'pref'},${$FO_ref}{'address'},${$FO_ref}{'address2'},${$FO_ref}{'tel'},${$FO_ref}{'email'},${$FO_ref}{'name_rcpt1'},${$FO_ref}{'name_rcpt2'},${$FO_ref}{'kana_rcpt'},${$FO_ref}{'kana_rcpt2'},${$FO_ref}{'postal_rcpt'},${$FO_ref}{'pref_rcpt'},${$FO_ref}{'address_rcpt'},${$FO_ref}{'address_rcpt2'},${$FO_ref}{'tel_rcpt'},";

,${$FO_ref}{'id'}
を削除して

$line="$count,$odrID,${$FO_ref}{'order_day'},${$FO_ref}{'name1'},${$FO_ref}{'name2'},${$FO_ref}{'kana1'},${$FO_ref}{'kana2'},${$FO_ref}{'postal'},${$FO_ref}{'pref'},${$FO_ref}{'address'},${$FO_ref}{'address2'},${$FO_ref}{'tel'},${$FO_ref}{'email'},${$FO_ref}{'name_rcpt1'},${$FO_ref}{'name_rcpt2'},${$FO_ref}{'kana_rcpt'},${$FO_ref}{'kana_rcpt2'},${$FO_ref}{'postal_rcpt'},${$FO_ref}{'pref_rcpt'},${$FO_ref}{'address_rcpt'},${$FO_ref}{'address_rcpt2'},${$FO_ref}{'tel_rcpt'},";

としてください。