Cosmic Ashe Skin Problem

I have just received an E-mail from Event cinema's with my skin code. Problem is, I had paid for 4 tickets for my buddies and I to go. why is there only one code? Initially it said 1 code per ticket purchased, now it says one code per ticket transaction. Riot, can you please help me with this? This is unfair to 3/4 of my group.
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