App crashes after sending SMS

[joshholly]

I setup the script as instructed, and I get the following error:

error: problem with API request detailed stacktrace below 
error: undefined
/Users/[MY_USER_NAME/Sites/smssend/node_modules/nexmo/lib/index.js:136
            if (!err && apiResponse.status && apiResponse.messages[0].status > 0) {
                                    ^

TypeError: Cannot read property 'status' of undefined
    at /Users/[MY_USER_NAME]/Sites/smssend/node_modules/nexmo/lib/index.js:136:37
    at IncomingMessage.<anonymous> (/Users/[MY_USER_NAME]/Sites/smssend/node_modules/nexmo/lib/HttpClient.js:104:11)
    at IncomingMessage.emit (events.js:400:28)
    at TLSSocket.socketCloseListener (_http_client.js:441:11)
    at TLSSocket.emit (events.js:412:35)
    at net.js:686:12
    at TCP.done (_tls_wrap.js:564:7)