GTM-Global Trade Management
Link1:http://scn.sap.com/docs/DOC-40886
Link2:SAP Help Global Trade
Link3:SAP Help Trading Business
Link4:SCN Blog series for GTM
Link5:GTM is not GTS, they are totally different product
Release: /MISYS/B003
Related table: WB* (WBGT for document creation error info) TVARVC
Customize sgement: WB2B_CUS
