You know, I got a lot of error messages and I can't remember many of them ever being helpful. Just remember you need to have QuickBooks open w/ the company file open you want to import to from your web app. The username is defined in the .qwc file and the password is sent unencrypted based on what's entered in the Web Connector itself. I'd just start making debug logs in your script to see where the breakdown occurs... maybe it's not even initializing the SOAP server right?