To create a new organization to be added to your Enterprise, import the DevOps platform organization and select the Free plan. Once the Organization has been added/bound then it will be available to be added to the Enterprise.
Select Add organization. The Add an organization dialog opens.
Select the organization you want to add, then select Add.
Please note that your team has a Support contract. In the future please open a Support ticket at https://help.sonarsource.com/ for any future questions/issues.