How do I fix the “Oops. Not sure what happened there. Please try again later.” message?

Hi! I'm Luis, a fellow Xbox Gamer . Thanks for reaching us out here.

Have you tried both on your console and your browser?

Hello Atlas W, my name is Vanessa, and I would be happy to help.

At this point, I have read everything you have expressed and explained. I am sorry that you are having some doubts or inconveniences. In this case, I
would like you, if possible, to give me more information or to be clear, since it is important for both me and the other experts in the community to be able
to help you. You know, a detail that could be useful.

If you have any further questions or need additional assistance, please do not hesitate to contact us. We are here to help.

Best regards,
Vanessa.

I am going to try again tomorrow

Are you getting the same prompt?

Also, kindly try removing and re-adding your payment method.

Hi, I hope you're doing great out there. I am an Independent advisor and I am here to help you with your concern.

Can you please try buying the add-on on the Microsoft Store website? Check if there will be an improvement from there.