merge ticket doesn't work

when ever i try do merge tickets this error occur:

•Notice: Undefined property: stdClass::$homepage in _support_node_move() (line 1420 of /home/menneske/public_html/xxxx/sites/all/modules/support/support.module).
•Notice: Array to string conversion in DatabaseStatementBase->execute() (line 2135 of /home/menneske/public_html/xxxx/includes/database/database.inc).
•PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'comment' in 'field list': INSERT INTO {comment} (nid, pid, uid, subject, comment, format, hostname, timestamp, status, thread, name, mail, homepage) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4_und, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9, :db_insert_placeholder_10, :db_insert_placeholder_11, :db_insert_placeholder_12); Array ( [:db_insert_placeholder_0] => 2 [:db_insert_placeholder_1] => 0 [:db_insert_placeholder_2] => 1 [:db_insert_placeholder_3] => tag 1 [:db_insert_placeholder_5] => 1 [:db_insert_placeholder_6] => 90.184.52.25 [:db_insert_placeholder_7] => 1325193900 [:db_insert_placeholder_8] => 0 [:db_insert_placeholder_9] => 01/ [:db_insert_placeholder_10] => admin [:db_insert_placeholder_11] => tisbris@gmail.com [:db_insert_placeholder_12] => [:db_insert_placeholder_4_und] => Array ( [0] => Array ( [summary] => [value] => køleskab xx - alarm hil 50,9 grdC - 2011-12-29, 13:13:13. [format] => filtered_html ) ) ) in _support_node_move() (line 1422 of /home/menneske/public_html/xxxx/sites/all/modules/support/support.module).

I really need this feature, so please respons.

thank you