I’m trying to connect my second number of WhatsApp, but I couldn’t make it!

Trigger: When I try, the only option that appears is “Add a new instance of WhatsApp” I push the button and what happened is a new window with the same WhatsApp number.

Issue: How do I connect multiple WhatsApp numbers?

Explanatory gifs/pictures: <https://www.dropbox.com/sh/aglvwe3kuor65t6/AABQ3-ZhgXn4p6lc6z2FqwRa?dl=0>

OS version: MAC OS 10.13.1

Station version: 1.0.8