Troubleshooting

Host IP changed banner → re-scan QR (see Network → Windows Static IP or Router Reservation to prevent).

Camera not opening on desktop → desktop never asks camera permission — scan on phone/tablet only. Or use manual token input.

Phone shows untrusted cert → tap Advanced → Proceed (self-signed local cert). Fingerprint shown in Host Overview matches server.

"Venue in grace period — no entry" → calendar closed, 60m grace, no admit.

Low stock warning → restock via Inventory → Counts.

Still stuck? Host Overview → Check again.