[linux] contains a file system with errors, check forced.

#error 
[/sbin/fsck.ext4 (1) — /dev/sda1] fsck.ext4 -a -C0 /dev/sda1
/dev/sda1 contains a file system with errors, check forced.
/dev/sda1:
Inodes that were part of a corrupted orphan linked list found.
/dev/sda1: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
                  (i.e., without -a or -p options)

fsk exited with status codr 4
done.
Failuer: File system check of the root filesystem failed
The root filesystem on /dev/sda1 requires a manaual fsck
BusyBox v1.27.2 (Ubuntu 1:1.27.2-2ubuntu3.4) built-in shell (ash)
Enter ‘help’ for a list of built-in commands.

(initramfs)

#solution
(initramfs) fsck /dev/sda1 -n -f -y
#작업 종료 후 reboot
#작업 종료 후 ctrl + x