Door not locked because of error

Nuki 3.0 Pro 3.7.7
The activity log shows

  • Scheduled: 22:00

  • My Name: 14:14
    Auto Unlock & Lock’n go
    Cancelled (0x2)

  • Door sensor: 14:14
    Door closed

  • Door sensor: 14:14
    Door opened

So the door stood unlocked for 8h even though I have auto-lock set to 5 min

I don’t know where that cancelled comes from.
To me this looks like a bug