Just a thought had you tried with...
1) Allcute, backtick, left quote, or an open quote, the back quote or
backquote is a punctuation mark (`). It's on the same U.S. computer
keyboard key as the tilde.
2) double quote(")
In placecof single quotes ?
Regards
Bimal Kumar
On Tue, 23 Ju
32c2394079bb6f59b48cb1073d) 31 (Thirty One)
version 0-rescue-4c547532c2394079bb6f59b48cb1073d
linux /boot/vmlinuz-0-rescue-4c547532c2394079bb6f59b48cb1073d
initrd /boot/initramfs-0-rescue-4c547532c2394079bb6f59b48cb1073d.img
options $kernelopts
grub_users $grub_users
grub_arg --unrestricted
grub_c