Define outbound interface models in Data replication framework

Hi All,

           In DRFIMG transaction.. (data replication framework) when i am using DEFINE OUTBOUND INTERFACE MODELS , 

after filling details in 3 steps in that, When i am clicking on generate Interface model it was giving error like ..

Please solve the issue .. ..  The interface model is not creating in particular of function group.

followed docs and links..

http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/101c9dbb-53cb-2e10-48b2-e253a6fca36b?QuickLink=index&…

http://help.sap.com/erp_mdg_addon70/helpdata/en/89/4879b23c71449e8b4af0d403d39513/content.htm?frameset=/en/2a/500de376504b4386a04d1085a52f22/frameset.htm&current_toc=/en/ea/29ad50e6542f3ce10000000a44538d/plain.htm&node_id=44