升级期间发生错误：

An error occurred during the upgrade: ALTER TABLE `gp_categories` CHANGE `id` `id` INT( 11 ) NOT NULL AUTO_INCREMENT [nativecode=1075 ** Un seul champ automatique est permis et il doit être indexé]

i got the above error.. kindly do the needful thanks in advance.

function query($sql, $params = array()) {
global $db;

$res = $db->query($sql, $params);
if ((new PEAR)->isError($res))
  show_error('An error occurred during the upgrade: ' . $res->getUserInfo());
return $res;

}

assign primary key to the any column.