Is it on your own server, or is it hosted somewere else, and who maintains the server.
Is mod perl suddenly enabeled
is there any error message
is httpd changed, is there another server-change,
are there rights changed, is it on windows or linux?
Prehaps you should read
How (not) to ask a question before posting a question like this.
There may be a lot reasons why it's not working, an answer can't be given this way
anyway, a script won't just stop working without any change, there definately happened somehing.
"We all agree on the necessity of compromise. We just can't agree on when it's necessary to compromise." - Larry Wall.