Problems with Amazon Alexa, Spotify Family and Sonos One speakers

[KonradP1]

Hi,

we have different devices from Sonos in our house. Since a few days we also have a Sonos one and a Sonos ARC. On both, Amazon Alexa is enabled, but with different Amazon Accounts. On the Sonos One the Spotify Account from my mother (Has Premium, Family subscription) is linked and on the Sonos ARC my account is linked.

Now the problem:

If we say e.g. "Play <song_title> on Spotify" to both devices, both use my Spotify account. That is a problem because my Song stops, when my mother starts another one.

Does anyone know where the problem is, because we linked the correct Spotify accounts to the Amazon accounts.

Plan

Family (Premium, 3 Accounts)

Device

Sonos One, Sonos ARC