Playback of a playlist stops after few tracks on chromecast



My PC is on another floor of our house so I cannot monitor the screen when this happens.
I tried this a couple of times bet I have a n audio playlist wich can play for hours.
But since I got a forces upgrade of PLEX to I have this problem.
The music is playing and after a few tracks the playback stops, but the chromecast devioce is still coupled
I am playing via the web player in Chrome,


sorry double post becaus I thought the initial post failed