Package: libpaper1 Version: 1.1.25 Severity: serious piuparts detected that libpaper1 fails to purge, because its postrm doesn't check that ucf is available during purge.
https://piuparts.debian.org/sid/fail/libpaper1_1.1.25.log Purging configuration files for libpaper1:amd64 (1.1.25) ... /var/lib/dpkg/info/libpaper1:amd64.postrm: 16: /var/lib/dpkg/info/libpaper1:amd64.postrm: ucf: not found dpkg: error processing package libpaper1:amd64 (--purge): installed libpaper1:amd64 package post-removal script subprocess returned error exit status 127 Errors were encountered while processing: libpaper1:amd64 It should test for ucf's presence, for example as openssh does: if which ucf >/dev/null 2>&1; then ucf --purge /etc/ssh/sshd_config fi (This is serious as it affects all reverse dependencies of libpaper1 in their piuparts logs too) Cheers, OdyX