MDB2 Error:constraint violation occuring since update on Ubuntu 12.04

[VenomousCobra]

Jun 28 17:10:22  roundcube: MDB2 Error: constraint violation (-3): _doQuery: [Error message: Could not execute statement]#012[Last executed query: EXECUTE mdb2_statement_mysql_4db9bac6a75fdb58f7930d7094608bd380b0b60ab USING @0, @1, @2]#012[Native code: 1062]#012[Native message: Duplicate entry 'qigkn3ea3hretff43sthf1mel3' for key 'PRIMARY']
Jun 28 17:10:22  roundcube: DB Error: MDB2 Error: constraint violation Query: _doQuery: [Error message: Could not execute statement] [Last executed query: EXECUTE mdb2_statement_mysql_4db9bac6a75fdb58f7930d7094608bd380b0b60ab USING @0, @1, @2] [Native code: 1062] [Native message: Duplicate entry 'qigkn3ea3hretff43sthf1mel3' for key 'PRIMARY']  in /var/www/jeffras/mail/program/include/rcube_mdb2.php on line 722 (GET /mail/?_task=mail&_action=check-recent&_mbox=INBOX&_list=1&_remote=1&_unlock=0&_=1340928628739)

Any idea of what's happening here, I've searched on the forums, and haven't found anything definitive.

[JohnDoh]

hi. you can see a bit more about it on this ticket http://trac.roundcube.net/ticket/1488229