ERROR: column unv.section does not exist LINE 1: ...ect main.chineses, unv.chap||':'||unv.sec,unv.txt,unv.sectio... ^--database error select main.chineses, unv.chap||':'||unv.sec,unv.txt,unv.section,main.engs,unv.username,unv.origuser,unv.modtime,unv.mark,unv.num1,unv.num2,unv.bookid,unv.id from unv,main where main.id=unv.bookid and main.chineses='' and unv.chap=0 order by unv.section !