TTNmapper, not showing my gateways in app

My TTIG doesn’t show on the TTNmapper app (Android and IoS), I know the missing GPS data but it is not fixed…

But now is also not showing anymore my RAK 831 gateway. It is invisibele somehow.
Yes, the settings in my TTN gateway console are ok.

Anyone experiencing the same issue?

(same issue as: TTNmapper problem)