Datalife Engine - Türkçe Destek ( DLE )

MySQL error in file: /install_module.php at line 124
The Error returned was:
Incorrect table definition; there can be only one auto column and it must be defined as a key
SQL query:

CREATE TABLE IF NOT EXISTS dle_ticket_system_ans ( `id` mediumint(8) NOT NULL auto_increment, `resp_id` mediumint(8) NOT NULL, `resp_date` varchar(20) default NULL, `resp_name` varchar(50) NOT NULL, `message` text NOT NULL, `filelink` varchar(60) NOT NULL default '' ) ENGINE=MyISAM /*!40101 DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci */