Habpanel Connection lost try to reconnect, only from remote and then no default config

Hello,
I’ve recently installed openhab 3.4.1 (migration from 2.5) and everything works but habpanel from remote give’s me “no default config, please sign up…” message. Tried with app and opening from chrome browser under android…

From wifi it works …a little slow but works and load my config from server…

Thanks for help
Dario