SIMS 3 ORIGINAL INVALID KEY (new code from game cage)

[Tiburonski]

I just buyed sims 3 plus seaons and i registered, in the registration said something like registration code i dont know and i put there my game code thinking it goes there, and when i saw i didn't have it y tried to validate it but it didn't let me do it, heeeelp sorry for my bad english

[Jezzh8s]

Yeah. I have the same problem. I bought Sims 3 Seasons today from the Origin Client and it says my serial number is invalid when I try to register it on the website. I'd really like some help to fix this please.