@SHaenni it happens time-to-time, remove the card and format it in PC

I've just enabled internet access for my cameras on firewall, cams connected to cloud and accessible from outside world. No reboot so far. Look promising! Great!

I've same issue here (Slovakia), but thank you for providing at least temporary fix to use camera for local/offline view and recording!!! I've disabled internet access on my router for cameras and...