If you are trying to scan an NFC tag with an Android devices and you keep getting an error saying "Must Arrive at Property" the troubleshooting steps below should help you solve the issue.
(1) Make sure that Android Beam is enabled on your device.
(2) Got to Settings and make sure that the Near Field Communication (NFC) settings are turn On.
(3) There has to be a checkpoint already created at a property in order to log onto the handheld and scan an NFC tag to get the serial number.