Myntra.com — Cancelled my order by their own

Myntra cancel my order by their own just notified me through an sms (Cancelled:Due to an internal issue, we had to cancel your Item (Order No.:[protected]-0199901) containing 1 Headway Cups and Mugs. We apologize for the inconvenience.For further details, please reach out to us (http://mntr.se/91f58223o3/) here. - Team Myntra.).
If they don't have product then what's the reason by keeping them on their website and i waited for this order since from past one week.