SXIDAL_FLIGHTSEATAVAIL_CHECK error

I'm doing

7.2.1 Preliminary Steps

of "SAP XI 3.0 Demo Examples Configuration guide"

When i tried ot Activating Web Service, ( page 54 )

http://static.flickr.com/55/115604090_02e0652284_o.jpg

I got this error

"Error when creating Web service (Web Service Definition SXIDAL_FLIGHTSEATAVAIL_CHECK für SOAP-Applikation unbekannt)"

http://static.flickr.com/56/115600698_a4e4b779e6_o.jpg

What does it mean ?

How can i solve this issue?