how to regenerate Proxy in SRM 7.0
I am working in MM-PI-SUS , srm 7.0.
I added a customising field in SUS PO item.
I want to regenerated porxy for SUSPO interface : PurchaseOrderRequest_In to make custmising field involed in them
but i found the "regenerat" icon or menu is grayed.
how to realize the function?