How do I turn off text message pop up notications?

[Android Central Question]

I have a Samsung galaxy s9 plus. Since a recent update, I recieve text message notification pop ups on my phone, even when I am in the text conversation I'm getting a notifcation for. These pop ups also have an ad attached to them. How do I turn this off or get rid of it? Will try and upload photo examples.

 

[hallux]

Being that there's an ad attached, this sounds like an app you've recently installed. Have you installed any new apps recently?

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