Web Service Not Working After Reimport in NWDS

Hi Experts,

We've a situation that need to add in new field in existing web service, this web service is imported from ESR, thus,

we've added the new field in PI, and performed the reimport of the web service in nwds.

after check in the changes, the interface is not working.

and we have the following error in Enterprise Portal log

Connection IO Exception. Check nested exception for details. (Invalid SOAP Response. Runtime can not find return parameter <{http://schemas.xmlsoap.org/ws/2005/02/rm}CreateSequenceResponse>.).

[EXCEPTION]

com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Connection IO Exception. Check nested exception for details. (Invalid SOAP Response. Runtime can not find return parameter <{http://schemas.xmlsoap.org/ws/2005/02/rm}CreateSequenceResponse>.).

at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.deserializeResponse(SOAPTransportBinding.java:2018)

Please advise.

Thanks,

Alviss