gears of war 3 not working?

i tried to enter my infected omen weapon skin pack code but it says its already been used? im 100% positive that i havent used it i havent taken it out of its case since i first got it on launch day...

 

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Last updated July 4, 2018 Views 2 Applies to:

Call 1-800-4MY-XBOX, there is no one in the Xbox Canada forums that can help you with that. Cheers!

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