I am having trouble using the Xray REST API and thought I would ask my question to them first before the wider Atlassian community. All support for that product must go through their Service Desk portal. However, I am unable to create an account to even start the process. On this page - https://jira.getxray.app/servicedesk/customer/portal/2/user/signup
I get the following error:

I have tried this several times; on different browsers. I have nearly all admin access to our Jira account, and our full administrator does not know what this means. Can anyone help? Or have other suggestions on where to go for help with the Xray REST API?