Give errors that appear IN console when you attempt to use the command.
Also, you stated you ran the installer...the installer by default installs to your singleplayer or listen server folder...not a dedicated server folder.
Though that doesn't explain why it totally stopped working, others may find that useful.
We grow impatient with "it doesn't work" with no more detail than "I installed it, it doesn't work"
Imagine having a broken toe.
You go to the Dr and say "It hurts!"
Instead of the Dr asking what "it" is...he just chops your head off.
He fixed your pain (you're dead, you can't feel anymore).
However, you still have a broken toe.
