I have a due boot system and one day after I updated my Manjaro system, I got this error:
file ‘/boot/vmlinuz-5.7-x86_64’ not found
you need to load the kernel first.
After some research, here I found the solution how to fix it:
sudo manjaro-chroot -a
(type 1 if only one line appears)pacman-mirrors -f && pacman -Syyu
mkinitcpio -P
update-grub
sync
exit
The error was ultimately due to the fact that the Pacman has some change in the source code so if the IOS installation version is lower than 18.1.5 this error could happen.
Reference: