Error: Unable to convert the sender service to an ALE logical system

Hello everybody

I have the next scenario nonsynchro:

R/3 SAP(RFC) --> XI3.0(SOAP) --> XI3.0(RFC) ---> R/3 SAP

This configurated in DEV and work ok, but when send to QAS the following error to me:

“Unable to convert the sender service to an ALE logical system”

that I must verify so that this works well?

thanks