Generated Exceptions differ each generation

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
    xmlns:tns="http://www.example.org/"
    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="ExampleModule" targetNamespace="http://www.example.org/">
    <wsdl:types>
        <xsd:schema targetNamespace="http://www.example.org/">
            <xsd:element name="getSolutionById">
                <xsd:complexType>
                    <xsd:sequence>
                        <xsd:element name="in" type="xsd:string"/>
                    </xsd:sequence>
                </xsd:complexType>
            </xsd:element>
            <xsd:element name="getSolutionByIdResponse">
                <xsd:complexType>
                    <xsd:sequence>
                        <xsd:element name="out" type="xsd:string"/>
                    </xsd:sequence>
                </xsd:complexType>
            </xsd:element>
            <xsd:element name="getSolutionByIdFault">
                <xsd:complexType>
                    <xsd:sequence>
                        <xsd:element name="getSolutionByIdFault" type="xsd:string">
                        </xsd:element>
                    </xsd:sequence>
                </xsd:complexType>
            </xsd:element>


        </xsd:schema>
    </wsdl:types>
    <wsdl:message name="getSolutionByIdRequest">
        <wsdl:part element="tns:getSolutionById" name="parameters"/>
    </wsdl:message>
    <wsdl:message name="getSolutionByIdResponse">
        <wsdl:part element="tns:getSolutionByIdResponse" name="parameters"/>
    </wsdl:message>


    <wsdl:message name="getSolutionByIdFault">
        <wsdl:part name="parameters" element="tns:getSolutionByIdFault"></wsdl:part>
    </wsdl:message>
    <wsdl:portType name="ExampleModule">
        <wsdl:operation name="getSolutionById">
            <wsdl:input message="tns:getSolutionByIdRequest"/>
            <wsdl:output message="tns:getSolutionByIdResponse"/>


            <wsdl:fault name="fault" message="tns:getSolutionByIdFault"></wsdl:fault>
        </wsdl:operation>
    </wsdl:portType>
    <wsdl:binding name="ExampleModuleSOAP" type="tns:ExampleModule">
        <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
        <wsdl:operation name="getSolutionById">
            <soap:operation soapAction="http://www.example.org/ExampleModule/getSolutionById"/>
            <wsdl:input>
                <soap:body use="literal"/>
            </wsdl:input>
            <wsdl:output>
                <soap:body use="literal"/>
            </wsdl:output>
            <wsdl:fault name="fault">
                <soap:fault use="literal" name="fault" />
            </wsdl:fault>
        </wsdl:operation>
    </wsdl:binding>
    <wsdl:service name="ExampleModule">
        <wsdl:port binding="tns:ExampleModuleSOAP" name="ExampleModuleSOAP">
            <soap:address location="http://www.example.org/"/>
        </wsdl:port>
    </wsdl:service>
</wsdl:definitions>