Licensed GoCoder SDK suddenly not working with FreeTrail Wowza Streaming Engine

Hello, we have Licensed GoCoder SDK and Licensed Wowza Streaming Engine inside our internal network.

We wanted to check how the app performance outside our network so we are using free trial Wowza Streaming Engine.

Suddenly today our app not working with the server. However, the GoCoder app DO work.

am i missing something?

Is your Wowza Streaming Engine trial still valid?