Game Pass Ultimate( redeem code)

I bought Game Pass Ultimate 12 month code from online shop. When I try to activate the code, this message appears :

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Check the instructions that came with your code. You might need to redeem it on a different web page.

Redeem:

Microsoft 365 Family

Microsoft 365 Business Apps

Xbox: Check the instructions you got when you received this code. You might not be eligible to redeem it, or maybe you need to redeem it on another device or service.

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Can anyone help me solve this problem?

:)