They have a script for updating Adobe Air you can set to run on a
schedule or as needed.
https://www.jamf.com/jamf-nation/third-party-products/files/846/adobe-air-installer-updater
I'd check the date & time on the phone. Check this out and see if this
helps
https://www.jamf.com/jamf-nation/discussions/5967/mdm-profile-installation-failed
I had the same issue. Found that it was a problem with the read-only
account on the File Distribution Point. JSS was setup using the User
credentials for the Read-only account, switched it to the username and
now it works.