SSP API Error & Question

Working on building with the SSP API's for our eCommerce site and am running into a few issues and errors. I was hoping someone could recommend some things.

I've created an SSP Application, and all appears to be configured correctly with the application.
I've created a file in my SSP Application called "ApiTest.ss". The contents of the file are:

function service(request, response) {   response.setContentType("PLAINTEXT");     //// OUTPUT A MESSAGE INDICATING IF WE'RE CURRENTLY LOGGED IN   try {    response.write("nnIs Logged In: "+nlapiGetWebContainer().getShoppingSession().isLoggedIn());    }   catch (ex) {    response.write("nnIs Logged In: ERROR: "+ex+"nn");   }     //// OUTPUT CURRENT CUSTOMER'S FIELD VALUES   try {    var customerInfo = nlapiGetWebContainer().getShoppingSession().getCustomer().getFieldValues();    response.write("nnCustomer Info: n"+JSON.stringify(customerInfo, null, 2)+"nn");   }   catch(ex) {    response.write("nnCustomer Info: ERROR: n"+ex+"nn");   }     /// ATTEMPT A LOGIN OPERATION AND OUTPUT THE RESULTS OF THE OPERATION   try {    var loginInfo = nlapiGetWebContainer().getShoppingSession().login({email: "