[Aptitude-devel] Bug#825901: Internal error: couldn't generate list of packages to download

[積丹尼 Dan Jacobson]

Package: aptitude
Version: 0.8.1-1
Severity: wishlist

98 packages upgraded, 8 newly installed, 4 to remove and 13 not upgraded.
E: Can't find a source to download version '8:6.8.9.9-7+b1' of 'imagemagick:i386'
After unpacking 30.5 MB will be freed.
Do you want to continue? [Y/n/?] 
E: Can't find a source to download version '8:6.8.9.9-7+b1' of 'imagemagick:i386'
E: Internal error: couldn't generate list of packages to download
E: Perhaps the package lists are out of date, please try 'aptitude update' (or equivalent) first

Yes I tried aptitude update.