I have found that I normally forget to set the INVM Scope to GLOBAL when creating a new service. Forgetting to set this attribute results in a runtime error message upon deployment.

It is very common to forget the attribute because of is placement - at the service level instead of the listener level.

User will tend to follow these steps:

• Add a Service
• Add a HTTP Listener with a urlpattern
• Add a SOAPProxy Action
  and forget to go back to the Service screen and flip INVM scope to Global

see screen shot