Sync to ulogger server fails with 302 (redirect)

Hello,

fresh ulogger-server installation on yunohost fails syncing with mobile app: HTTP ERROR 302 - redirect.
Maybe NGINX? Missing open ports? Other Server-URL than Server-DNS or Server-DNS/ulogger? Any suggestions?

thanks in advance
T.

Welcome!

Use the support template, as per instructed upon your registration and the already filled-in message when you create a new post.