Cannot connect to my server instance with Rocket.Chat Experimental (React Native) on Android.

Error message: "Credentials were rejected"

Regular android app is fine.

Server version: 0.71.1
App version: 1.7.0

Server nginx config: https://github.com/syncloud/rocketchat/blob/master/config/nginx.conf

Front-end nginx config: https://github.com/syncloud/platform/blob/master/config/nginx/public.conf#L104