how to fix initramfs error in ubuntu or kali Linux

Actually the solution is easy just write the command of fsck /dev/sdax like the below and give Y if the console ask for fixing something: (initramfs) fsck /dev/sda1 or (initramfs) fsck /dev/sdaX X specifies mounted disk part number. If you don&want to manually press &every time it asks for a fix, you can also run the command with the -y option. (initramfs) fsck /dev/sdaX -y