I was having this same bug and I managed to "fix" it by deleting everything under /var/lib/apt
i.e. sudo apt rm -rf /var/lib/apt/
Then run "sudo apt update" and reboot the system.
I was having this same bug and I managed to "fix" it by deleting everything under /var/lib/apt
i.e. sudo apt rm -rf /var/lib/apt/
Then run "sudo apt update" and reboot the system.