However, a positive ANA reading alone does not indicate an autoimmune disease. 1  The prevalence of ANAs in healthy individuals is about 3 - 15%. 2  Some medications can cause a positive ANA. 3  Other conditions, such as cancer, can cause a positive ANA.
Driver is unavailable. There is no user action in the Devices page, which displays a status message that says âDriver unavailableâ. The user needs to get support from the device manufacturer. Driver error. There is no user action in the Devices page, which displays a status message that says âDriver errorâ.
I was wondering if there is a complete list of reasons why some seats show up as unavailable on seat select. I have figured out a few: Can't select a Sky Couch without a sky couch fare. On a lightly loaded flight a chunk of the Sky Couch seats are sold as Preferred and are unavailable as a sky couch.