Query can not be executed.

MySQL Error: 2002
SELECT D.*,DC.category_name FROM fc_plan D INNER JOIN fc_plan_category DC ON(D.category = DC.id)  and status='1'  ORDER BY post_date DESC LIMIT 4
# หัวข้อ หมวด size ไฟล์แนบ

Query can not be executed.

MySQL Error: 2002
SELECT * FROM fc_plan_category WHERE ref_faction=0 ORDER BY sort