Can't play DVD movies

[jimmckenzie at earthlink.net]

VLC gives me this message

Playback failure:
DVDRead could not open the disc "/dev/dvd".
Your input can't be opened:
VLC is unable to open the MRL 'dvd:///dev/dvd'. Check the log for details.
Playback failure:
DVDRead could not open the disc "/dev/dvd".
Your input can't be opened:
VLC is unable to open the MRL 'dvd:///dev/dvd'. Check the log for details.
Playback failure:
DVDRead could not open the disc "/dev/dvd".
Your input can't be opened:
VLC is unable to open the MRL 'dvd:///dev/dvd'. Check the log for details.

I was trying to play Lord Of The Rings - The Fellowship Of The Ring. The basic dvd version, nothing fancy, not the Blu-Ray version. 

I don't know what else to tell you.

Any/All help will be appreciated.

Thank You