grub installation failed

[shubham]

failed after i deleted partition.dont know what to do ...

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.4
ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
Casper:
 stdin: Not a typewriter
 Generating locales (this might take a while)...
 Generation complete.
 grep: /root/cdrom/preseed/ubuntu.seed: No such file or directory
 pwconv: failed to change the mode of /etc/passwd- to 0600
Date: Thu Apr 26 17:02:48 2018
InstallCmdLine: BOOT_IMAGE=/multibootusb/ubuntu-16.04.3-desktop-amd64/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity iso-scan/filename= quiet splash ignore_bootid live-media-path=/multibootusb/ubuntu-16.04.3-desktop-amd64/casper cdrom-detect/try-usb=true floppy.allowed_drive_mask=0 ignore_uuid root=UUID=EDC9-3B20 ---
ProcEnviron:
 LANGUAGE=en_IN
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)