A Database Error Occurred

Error Number: 1054

Unknown column 'www.youtube.com' in 'where clause'

select SUBSTRING(doc.startdate,1,4) as d_year from custom_document as doc where doc.classification_sid = www.youtube.com and doc.lan = "zh_tw" group by d_year order by doc.startdate desc,doc.sequence,doc.sid desc

Filename: core/AC_Model.php

Line Number: 128