I have a developer account associated with a RingCentral organization.
That organization has only one Sandbox account.
As we have several developers assigned in the Developer List, we would like to have additional sandbox accounts.
From my understanding, I would be able to create these accounts going to the Online Account Portal.
However, when I tried to go there, the system reports an error.
https://service.devtest.ringcentral.com/login/error.html?errorCode=56
Warning
We had a problem signing you in. Please try again.
Is there something missing, like roles and/or permissions?
What is the right procedure to create additional sandbox accounts?