TALK: Android app cannot connect

I have recently update my own nextcloud server from 15 to 17.1
I never used talk app before, and i wanna try, so i installed and active the app in my instance.

Then i installed the app in mail Samsung A40 smartphone, but after typing user and password, login is running without succes, it just stay on my credentials view with the ring ringing in infinity.

I didn’t see anything in my server logs, so i do not understand where is the problem.

Does someone already have this kind of reaction on android smartphone?

THanks a lot

did you check this?