Netflix on Samsung Smart TV makes problems like fix?

Hey guys I have a Samsung smart tv recently and my problem now is that as soon as I go on my phone on Netflix, the TV on Netflix umspringt and then when you switch back to the receiver and Co he switches back to the reason for no reason Main menu of Netflix jumps and then you can do nothing more so you can't go back you know how to fix it?

And it all started when I streamed to another TV on Chromecast netflix since then