Casting Internet radio in app:Google Chromecast

Apps
1

I am using this app to cast internet radio and it almost never works, but sometimes it actually does, usually in the weekends.

When it doesn’t work I am getting an error on the Then-card that does the casting when I am trying to select a radio station; Unknown_error.

When it does work this doesn’t happend.

The chromecast device that I am casting to does have a fixed IP address.

I have made a diagnostics report:
b8975cf6-a510-4117-8b50-682b7147b63d

2

Have been using this chromecast card for years, never fails
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3

Yes, I also did that, but almost every norwegian radio stations have stopped using TuneIn