WebService Called Error with Web Dynpro

[Former Member]

Dears,

It's my message error and i dont know whats happened.

I dont know if de call is wrong or my WebService ZMANPP001 is down, or the path to call it it's incorrect... well ... i dont know what's happened

Here's the error message

Service call exception; nested exception is: com.sap.engine.services.webservices.jaxrpc.exceptions.XmlM
arshalException: 
XML Serialization Error. Property [RETURN] of class 
[xiwebservice.model2.proxies.types.ZMANPP001] must exist 
and can not be null. This is required by schema 
description.

[Former Member · Accepted solution]

Hi Fernando,

Your Webservice is expecting input value for Return element. The Return value is passing as null. May be you have not binded Return element to Request object properly.

Thanks

Madhan