mount point 0

Littleye

我也不知道该发在哪个版，如果有错，请原谅！
when I boot my computer,
I get the message, "Mount point
0 does not exist," then, "FAILED." The machine boots up and seems to
have no problem.

What is "mount point 0"?  Why does it not "exist"? How do I fix it?