Why I did not receive referral rewards anymore?

We are regret to inform you that there are no referral reward and no chain referral reward anymore. Referral rewards is under Air Reloaded Program (ARP). 

This is because the allocation for ARP is finished. You may check from here https://explorer.ddkoin.com/account/11283137848848308884

Airdrop Reloaded Program (ARP) was one of the initiatives by DDK Foundation to help increase the demand for DDK in the market after Airdrop 1.0 ended.