## Message Forum Questions and Answers | Issue | Possible Cause | Solution | | ------------------------------------------ | ------------------------------------------------- | ----------------------------------------------------------------------------------------- | | Visitor cannot self-register via QR code | Owner Registration Only is set to **Yes** | Set Owner Registration Only to **No** in Parking settings | | Reservation is not active after submission | Approval workflow is enabled | An administrator or approved user group must approve the reservation | | Cannot book a stall for a future date | Advance booking window is too restrictive | Increase the advance booking days or leave the field empty for unlimited | | Visitor is blocked from parking | Frequency limit per 7 or 30 days has been reached | Wait until the rolling period resets or adjust the limit in settings | | QR code is not working | QR code was not printed or displayed | Generate and print the QR code from Parking settings and place it near the parking stalls |