How to access visual builder studio in oracle Demo instances?

Summary:

In the Oracle demo instance I am trying to access the Visual Builder, but I receive error message "You are not a member of this orgaanization. Please contact your administrator".

Content (please ensure you mask any confidential information):

I am trying to access the Visual Builder Studio to edit the Redwood pages. But I am receiving the error.

"You are not a member of this organization. Please contact your administrator". I assigned all the roles Application Developer, Application Administrator,

ORA_SYNC_ENABLED_ADMINISTRATOR_ABSTRACT, ORA_SYNC_ENABLED_DEVELOPER_ABSTRACT.

How do I get the access to VBCS from the Oracle Demo instances. Let me know. Thanks.