Udisks2 usually reports that error if you're trying to mount an invalid ISO file as a filesystem
Since you are using Linux Mint you should post in their forum - https://forums.linuxmint.com/
Udisks2 usually reports that error if you're trying to mount an invalid ISO file as a filesystem
Since you are using Linux Mint you should post in their forum - https://forums.linuxmint.com/