How I use 500 coupon from BP point exchange?

Question

I already use 1200 points with 500 coupons from BP point exchange but the system show  Warning: Gift Certificate is either invalid or the balance has been used up! 

Answer 1

Dear Supasin,

Thank you for contacting us.
Since we have a 10% discount event now,
the coupon will not be available until next month.
If you have any questions, feel free to contact us.