Preparing to unpack .../perl-modules-5.30_5.30.0-9ubuntu0.2_all.deb ...
Unpacking perl-modules-5.30 (5.30.0-9ubuntu0.2) over (5.30.0-9build1) ...
Setting up perl-modules-5.30 (5.30.0-9ubuntu0.2) ...
Setting up grub-pc (2.04-1ubuntu26.4) ...
dpkg: error processing package grub-pc (--configure):
 installed grub-pc package post-installation script subprocess returned error exit status 1