http://www.perlmonks.org?node_id=816501


in reply to Re^4: Problem with SOAP::Lite, getting the output from the SOAP server as a complete program and not the return value
in thread Problem with SOAP::Lite, getting the output from the SOAP server as a complete program and not the return value

That is a warning, and not the cause of 500 error. See CGI Help Guide