Contao 2.11.13 Forum/Helpdesk (Suchen) An error occurred while executing this script!

Guten Abend zusammen,

erhalte im Forum/Helpdesk, im Suchmodus "Volltext natürlich" diese Fehlermeldung: An error occurred while executing this script! Im Suchmodus "Volltext boolesch" geht es. In der Error.Log steht folgendes:

Code:

---

[21-Jan-2014 21:17:26 Europe/Berlin] PHP Fatal error: Uncaught exception 'Exception' with message 'Query error: Can't find FULLTEXT index matching the column list (select
 `tck`.`id` as `tck_id`,
 `msg`.`id` as `msg_id`,
 `msg`.`reply` as `msg_reply`,
 `msg`.`poster` as `msg_poster`,
 `tck`.`subject` as `tck_subject`,
 `msg`.`message` as `msg_message`,
 `msg`.`atch1name` as `msg_atch1name`,
 `msg`.`atch2name` as `msg_atch2name`,
 `msg`.`atch3name` as `msg_atch3name`,
 `msg`.`atch4name` as `msg_atch4name`,
 `msg`.`atch5name` as `msg_atch5name`,
 match (`tck`.`subject`) against ('Heidi') as `tck_relevance`,
 match (`msg`.`message`) against ('Heidi') as `msg_relevance`
 from `tl_helpdesk_tickets` as `tck`
 left join `tl_helpdesk_messages` as `msg` on `tck`.`id`=`msg`.`pid`
 where `tck`.`pid`='7'
 and (
(`msg`.`reply`='0' and match (`tck`.`subject`) against ('Heidi'))
 or match (`msg`.`message`) against ('Heidi')
 or `msg`.`poster` like '%Heidi%'
 ))' thrown in /mnt/webi/e2/15/53345715/htdocs/html/system/libraries/Database.php on line 686

---

kennt jemand das Problem? In der Contao Vers. 2.10.4 die ich bis vor kurzem laufen hatte, ging die Suche problemlos.

Gruß Bruno