An error when I redeemed my xbox live ??

A few months later, And its still happening. I get an error when i try to redeem my xbox live code

I am also having the same issue when trying to Redeem the Deus Ex: Human Revolution on my Xbox One.

When I select "Redeem Code 1" from the message on Xbox Live, I get taken to a window asking me to redeem the code and when I select the Redeem button I get the following error -

Sorry, an unexpected error has occurred. The error has been recorded and we will investigate. Please try to redeem your code later.

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brsFEIqOxTD9Wm+Q.3 2016/08/14 - 10:49:51 UTC

The message I got from Xbox Live does state "Your purchase of Deus Ex: Mankind Divided includes Deus Ex: Human Revolution for Xbox 360" so is the error due to me trying to redeem this code on the Xbox One even though Deus Ex: Human Revolution is on the backwards
compatibility list of 360 games on the Xbox One?

Hello,

If you get this message and error code, it means that the prepaid code that you’re trying to redeem on Xbox LIVE has already been redeemed. A problem with your connection to Xbox LIVE may have prevented you from receiving confirmation when you initially
redeemed the code.

Please read the instructions on this page here.

I'm having the similar error message when redeeming my code. My gamertag and billing option is set to Philippines, and the xbox live gold card or rather code is bought online from the UK. But when I try to redeem the code, it will show the similar message
saying Something Is Wrong and all that.. What may be the problem?! D:

I'm getting the same error when trying to redeem a Live code. I believe the error is from Microsoft's side and is probably temporary. Will try redeeming again tomorrow.