You have RaiseHell set to 1, which means that DBI methods will die on you and print error messages on the screen (where available).
Well, guess what? Your browser will surely complain if your script sends an error message instead of the expected HTTP header.

You either need to print the HTTP header first 
print header;
#... do other stuff

[download]
or do this 
use CGI::Carp qw(fatalsToBrowser);

[download]

--perlplexer

In reply to Re: Printing DBI errors from a CGI script by perlplexer
in thread Printing DBI errors from a CGI script by PB

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