in reply to Error of the argument

What is in the server error log?

To get more info from a "die" error, you could use CGI::Carp::DebugScreen which makes nice and informative error screens (with next to no effort).

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

In Section Seekers of Perl Wisdom