importSubsCSP.py script fails with the following error message:
HTTP Error 500: Internal Server Error(Open API Error: BaseTransaction.rollback - ARJUNA016074: no transaction!, extype id: 1, module_id: TransactionManager, (<Empty>))
The following error message is appeared in Office 365 Endpoint sitelog:
ERROR aps_endpoint: TenantsController.Post finished by exception System.ApplicationException: Unable to obtain account administrator contact information.
The requested customer has no staff member configured as account administrator.
In order to fix the issue, configure at least one staff member as account administrator for the account.