I recently installed the IWeb module which also installed the standard web services that come with that module.  However, I can't seem to get the web services working.  I am trying to execute certain web methods of the standard web services through the browser, but they don't seem to be working.  For instance, there is a GetUser method that takes a UserName parameter and returns user info (their membership details, profile details, etc).  I tried to execute this function through IE, Chrome, and Firefox browsers, but each time it returned "object reference not set to an instance of an object".

Am I doing something wrong?  I just installed the IWeb module and did nothing special - just tried to execute some of the standard methods that come with it.  I also tried executing the CreateUser method and passed in all of the relevant values, but that also did not work.  Do I need to installed something else in addition to the IWeb module in order to get the web services working?

Here's the whole XML error message:

Michael,

I am calling the GetUser method for an existing user here.  Here are the steps I am following:

1. I am logged in as the host
2. I created a new user called "User1" under "Admin --> User Accounts".  I can see this new user in my user account list.  I also logged in with this username and verified that this user was indeed a valid user
3. I went to the "Configure IWeb" screen you pasted above and for the "GetUser" method, I set the security setting to "Registered Users"
4. Went to the standard web service's "GetUser" method and entered "User1" as the input parameter and clicked on "Invoke"
5. Got the "object reference not set to an instance of an object" error (that I pasted in the first post of this thread)

Any ideas?