How to create a ComboBox

2012-12-03 11:50:32 ***** ERROR ***** Exception-[42S22] SQLSTATE[42S22]: Column not found: 1054 Unknown column 'idle' in 'where clause'
2012-12-03 11:50:32 ***** ERROR *****    For query : select id as id, name as name from clarety where (idle=0 ) or id= '1' order by clarety.name
2012-12-03 11:50:32 ***** ERROR *****    Strack trace :
2012-12-03 11:50:32 ***** ERROR *****    #0 Sql->query called at [C:\wamp\www\beta_V3.0\model\persistence\SqlList.php:82]
2012-12-03 11:50:32 ***** ERROR *****    #1 SqlList->fetchList called at [C:\wamp\www\beta_V3.0\model\persistence\SqlList.php:34]
2012-12-03 11:50:32 ***** ERROR *****    #2 SqlList->getList called at [C:\wamp\www\beta_V3.0\tool\html.php:49]
2012-12-03 11:50:32 ***** ERROR *****    #3 htmlDrawOptionForReference called at [C:\wamp\www\beta_V3.0\view\objectDetail.php:803]
2012-12-03 11:50:32 ***** ERROR *****    #4 drawTableFromObject called at [C:\wamp\www\beta_V3.0\view\objectDetail.php:2416]