I have found link. I am using nms.subscription.Subscribe() and hold on.. it only breaks when I funnel the same recipient through the web app. It should be working even with the same user subscribing to the same service, right?
This is all i get on the screen. Just simple text not. Its not casual web app error page i think not even my code. It seems it breaks even before somewhere.. let me move around the blocks in the web app to see which one is causing it.