package:initramfs-tools:0.130ubuntu3.1
Setting up cups-pk-helper (0.2.6-1ubuntu1.2) ...
useradd: failure while writing changes to /etc/passwd
adduser: `/usr/sbin/useradd -d /home/cups-pk-helper -g lpadmin -s /usr/sbin/nologin -u 125 cups-pk-helper' returned error code 1. Exiting.
dpkg: error processing package cups-pk-helper (--configure):
 installed cups-pk-helper package post-installation script subprocess returned error exit status 1