ARPlaneAnchor.Classification.Status.notAvailable
ARKit cannot currently provide plane classification information.
Declaration
case notAvailableDiscussion
Plane classification is available only on iPhone XS and iPhone XS Max devices. On other devices, all plane anchors always indicate a classification status of ARPlaneAnchor.Classification.Status.notAvailable.
A classification status of ARPlaneAnchor.Classification.Status.notAvailable can also occur if the plane classification process is temporarily unavilable.