Can you tell me a bit more about this? Where do you see the unauthorized user error screen—when you log-in or when you try to take a payment?
We'll try to troubleshoot with you when we find out more. And take a look at this article for app and account troubleshooting: https://squareup.com/help/us/en/article/4992-app-and-account-troubleshooting
I am not able to use this service
Hey @Alan1, thanks for reaching out and sorry to hear about the trouble. Are you getting any kind of error message or can you provide a little more information on the issue you're experiencing? We'll keep an eye out for your response.
Square Community