Permission Denial: get/set setting for user asks to run as user -2 but is calling from user 0

Question

My application works normally on my test device (When I install it via ADT & when I install it via the exported APK file) but it fails on Play Store testing device with

Answer 1

I ran into the same issue while trying to use move Files using the version of the application that I plan to post to market. The problem was that the files I was trying to move were created during the application development process by the app that was signed with the debug certificate. So I was trying to access a file created with one certificate with an app that was signed by another certificate. I cleaned up all the files and started fresh with new files created by the app I plan to post to market. Now I am able to access and move the files without the Android System complaining :)