Problem with TTN, Gateway already exists RAK7249

Hello,
I recently bought a RAK7249, I read the documentation, but when i want to register my gateway on the things networks appears the following message
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How can I register my gateway?

Hi @ikannedes,

I suggest you contact the TTN support. This is an issue, that I believe they can solve. They should be able to ascertain what exactly is the problem.

Regards
Vladislav

we will contact with TTN to confirm this issue as well

Thank you, and I contact to you because I saw before TTN forum, and some users mention a link with all gateways registers on the web and mine appear there, and it say a gps location on china.

Hi, @ikannedes

You can modify EUI according to the following picture:

Wow I didn’t know that, I will try it, thank you