first of all, thank you for your answer.
To clarify, the role of my account is Admin.
We tried to follow your advice but we are still unable to associate the device. Since we probably don't have access to the account that created the original Test Merchants, we tried to create a new one in hope to associate the device with it. Unfortunately, our tries have been followed with 401 errors.
We are trying to gain access to the original account. In the meantime, can you please help us with creating a new Test Merchant? Does Admin role not have permissions for this operation?
we managed to gain access to the original account and with it, it was easy to associate the device.
Thank you for your help.
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