Rt-soap-server fault

From my POV the request is correct, but still the server throws an
fault:

Fault

Array
(
[faultcode] => SOAP-ENV:Client
[faultstring] => Failed to access class (rt3.0.wsdl) at
/usr/lib/perl5/vendor_perl/5.8.7/SOAP/Lite.pm line 2239.

[faultactor] => http://support:8080/

)

Request

POST /ccx/rt3.0 HTTP/1.0
Host: support:8080
Authorization: Basic ===
User-Agent: NuSOAP/0.7.2 (1.94)
Content-Type: text/xml; charset=ISO-8859-1
SOAPAction: "http://www.bestpractical.com/rt3.0.wsdl#getTicket"
Content-Length: 466

<?xml version="1.0" encoding="ISO-8859-1"?><SOAP-ENV:Envelope

xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:tns=“http://www.bestpractical.com/rt3.0.wsdl”>SOAP-ENV:Body2073</getTicket

</SOAP-ENV:Body></SOAP-ENV:Envelope>

Response

HTTP/1.1 500 Internal Server Error
Server: libwww-perl-daemon/1.36
Content-Length: 631
Content-Type: text/xml; charset=utf-8
SOAPServer: SOAP::Lite/Perl/0.60

<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope

xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/1999/XMLSchema"
SOAP-ENV:encodingStyle=“http://schemas.xmlsoap.org/soap/encoding/”><SOAP
-ENV:Body>SOAP-ENV:FaultSOAP-ENV:ClientFailed to access class (rt3.0.wsdl) at
/usr/lib/perl5/vendor_perl/5.8.7/SOAP/Lite.pm line 2239.
http://support:8080/</SOAP-ENV:Fa
ult></SOAP-ENV:Body></SOAP-ENV:Envelope>