Duplicate code for halo season 7 test flight

Games Halo: The Master Chief Collection
1

When I try to input my steam code it says that it is a duplicate code. Any help?

2

I just got the same issue

3

wonder if 343 already knows about this

4

> 2535445896365475;1:
> When I try to input my steam code it says that it is a duplicate code. Any help?

> 2535421432214110;2:
> I just got the same issue

Hey folks, the flight was only open over the weekend and has now closed. If you tried to redeem your Steam code after 10am PT yesterday then that’s why it wouldn’t work - the flight was taken offline at that point and all keys revoked.