"Method '' not found" while consuming SOAP service

Dears,

I have a soap webservice and when I tried to consume it in UIPath I am getting the following error message;
“Method ‘’ not found”. What could be the reason?

The service is working fine in SOAPUI.

Thanks
Deepak

Dears,

Can anyone please help me?

Thanks
Deepak

Did some work and now I am getting the following error
RemoteException wrapping System.Xaml.XamlObjectWriterException: Cannot create unknown type ‘{http://schemas.microsoft.com/netfx/2009/xaml/activities}InArgument({clr-namespace:;assembly=lvr15ebd}ItemChoiceType1)’.
at System.Xaml.XamlObjectWriter.WriteStartObject(XamlType xamlType)

Any idea why I am getting this error?