[Issue] Additional user in `scanner` group in /etc/groups causes cosmic-greeter update to fail Invalid argument

[dwilliam62]

I had my user added to the scanner group after the default saned user in /etc/groups

Causing upgrades to fail

After removing my username the upgrade completed w/o error

[dwilliam62]

FYI: I did first try this with the store app. The errors at CLI were a little more verbose