Fix Umbrel Background Services
If you aren't able to run OTA updates, you can do the following to resolve the situation:
Umbrel OS (Raspberry Pi)
If you're running the normal Umbrel OS install on a Raspberry Pi you can run this in a terminal on a computer connected to the same network as your Umbrel:
ssh -t firstname.lastname@example.org "mkdir -p umbrel/logs && sudo systemctl restart umbrel-startup"