Anniversary gift code not working

I Lee

Dear Sir/ Madam,  
           How do you do? I tried using the gife code : HAPPYANNIVERSARY during the stated time duration but I could not claim any gift. It says " no more event reward to claim, " Please advice. Thank U very much for reading and have a nice day ahead !

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babyphd

Dear I Lee,

I just claimed it a minute ago. I think you claimed it already.

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