Upgrade, I get no errors with

use SOAP::Lite 0.715;
my $d = SOAP::Custom::XML::Deserializer->deserialize( $response_xml );
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My soap tips (I hate soap), SOAP::Lite is too much work, SOAP::Simple is less work work ... its built on XML::Compile::SOAP/http://perl.overmeer.net/xml-compile/#doc , see my treasure trove of soap examples and lost knowledge,$soap->transport->add_handler("request_send", \&pp_dump );