the bug appears while installing

[VICTOR FLORES]

when i was intalling the bug appears

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8.13 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 4.4.0-31.50~14.04.1-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CasperVersion: 1.340.2
Date: Sat Dec 9 20:56:22 2017
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/edubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Edubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803.1)
ProcEnviron:
 LANGUAGE=es_MX.UTF-8
 PATH=(custom, no user)
 LANG=es_MX.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

You had some network problems that prevented downloading packages for the install. Please try again.

[Launchpad Janitor (janitor)]

[Expired for grub-installer (Ubuntu) because there has been no activity for 60 days.]