installer crashed during fresh install

Installer crashed as I was doing fresh install on Toshiba M645 laptop.
Installation alongside Windows 10, Dual Boot.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: ubiquity 18.10.12
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CasperVersion: 1.399
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 2 22:22:23 2018
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash --- maybe-ubiquity
LiveMediaBuild: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20181101.1)
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 LC_NUMERIC=C.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)