I have deployed a very simple Lightswitch application to SharePoint online (provider hosted) with the middle tier and database components being hosted in Azure.
I have followed this tutorial as my guide ( http://blogs.msdn.com/b/lightswitch/archive/2013/04/02/sharepoint-hosting-options-for-lightswitch.aspx )
I have my ClientID and Client Secret as described in the article.
The publish process seems to work normally but when I launch the application in SharePoint I am getting the following error: