Cannot return null for non-nullable field BoundingBox.xmin.

Cannot return null for non-nullable field BoundingBox.xmin.

Cannot return null for non-nullable field BoundingBox.xmin.

Cannot return null for non-nullable field BoundingBox.xmin.

Cannot return null for non-nullable field BoundingBox.xmin.

Cannot return null for non-nullable field BoundingBox.xmin.