Program Error (Server Error 500)

<h1>Program Error (Server Error 500)</h1>
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             <p>
              <em>
              More information about this error may be available in the 
              server error log and/or program error log. 
              </em>
             </p>
             <hr />
               <pre>Can't locate DADA/Config.pm in @INC (@INC contains: ./ ./DADA ./DADA/perllib C:/Perl/site/lib C:/Perl/lib .) at C:\www\vikspin\www.chekame.com\cgi-bin\dada\mail.cgi line 147.
BEGIN failed--compilation aborted at C:\www\vikspin\www.chekame.com\cgi-bin\dada\mail.cgi line 147.
</pre>