select a.*, (select img_1 from tbl_collabo_file where artworkSeq = a.seq) as img_1 from tbl_collabo a left join tbl_member b on a.col_email = b.mb_email where a.col_approval = 'Y' and col_category = '3' and col_genre = '31' order by col_hits desc limit 0, 20

1054 : Unknown column 'artworkSeq' in 'where clause'

error file : /list/list.php