Error creating consumer service.

Hi guys.

I need to create a consume service.

1-I go to sproxy and i fins the object "Si_SolucaoSintegra_Out" ( Service Consumer ) and i double click

2-then in scrren configuration I clickand when it is creating occurs this message:

SPRX122 -Interface uses external and internal message definitions

And solution is :

Change the interface definition accordingly in the Enterprise Services Repository.

Somebody know how i do it?

Thanks.

Obs :I'm learning english language.