Diagnosis
The system prefix of the transfer structure is in the SAP name range.However, this source system is set up as a customer system. Thecreation of your transfer structure under this name was refused by thetransport system. Creation is not possible with this name.

System Response
Function was terminated, all system changes were reset.

Procedure
Go to Customizing in your Business Information Warehouse and set thetransfer structure prefix to a customer name.