apt [strange error]

the other day i tried using dselect to upgrade as normal, this is what i saw when trying to [I]nstall Reading Package Lists... Done Building Dependency Tree... Done E: The package checker needs to be reinstalled, but I can't find an archive for it. Some errors occurred while unpacking. I'm going

apt [strange error]

sorry if this is a repeat but i sent this befor i was subscribed the other day i tried using dselect to upgrade as normal, this is what i saw when trying to [I]nstall Reading Package Lists... Done Building Dependency Tree... Done E: The package checker needs to be reinstalled, but I can't find an