SAP GTS PO data not getting transferred from R/3 to GTS

Hi All,

I am facing this issue while transferring Purchasing documents from R/3 to GTS.

The PO order type (NB )of Feeder system is assigned to Document type in GTS ( IMPOR3)

I am getting the message " Define Document type " while transferring PO data to GTS and once executed getting the meesage

"Select at least one service " while executing in Dev client.

Experts please help..