SOAP错误：解析WSDL：意外的可扩展性元素

Question

我的WSDL工作正常，但在添加第二个方法“UpdateUserName”后，它开始提供错误

Fatal error: SOAP-ERROR: Parsing WSDL: Unexpected extensibility element

这是我的WSDL

<?xml version="1.0"?>
<definitions name="CreateUpdateUser" targetNamespace="urn:CreateUpdateUser" xmlns:tns="urn:CreateUpdateUser"  xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns="http://schemas.xmlsoap.org/wsdl/">
<types>
    <xsd:schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="urn:CreateUpdateUser">
        <xsd:complexType name="CreateUpdateUserResponse">
            <xsd:all>
                <xsd:element name="username" type="xsd:string"/>
                <xsd:element name="firstname" type="xsd:string"/>
                <xsd:element name="lastname" type="xsd:string"/>
                <xsd:element name="email" type="xsd:string"/>
                <xsd:element name="institution" type="xsd:string"/>
                <xsd:element name="department" type="xsd:string"/>
                <xsd:element name="city" type="xsd:string"/>
                <xsd:element name="country" type="xsd:string"/>
                <xsd:element name="idnumber" type="xsd:string"/>
                <xsd:element name="id" type="xsd:string"/>
                <xsd:element name="message" type="xsd:string"/>
            </xsd:all>
        </xsd:complexType>
        <xsd:complexType name="UpdateUserNameResponse">
            <xsd:all>
                <xsd:element name="userid" type="xsd:string"/>  
                <xsd:element name="username" type="xsd:string"/>                
                <xsd:element name="message" type="xsd:string"/>
            </xsd:all>
        </xsd:complexType>        
    </xsd:schema>       
</types>
<message name="CreateUpdateUserRequest">
    <part name="username" type="xsd:string"/>
    <part name="firstname" type="xsd:string"/>
    <part name="lastname" type="xsd:string"/>
    <part name="email" type="xsd:string"/>
    <part name="institution" type="xsd:string"/>
    <part name="department" type="xsd:string"/>
    <part name="city" type="xsd:string"/>
    <part name="country" type="xsd:string"/>
    <part name="idnumber" type="xsd:string"/>
</message>
<message name="CreateUpdateUserResponse">
    <part name="return" type="tns:CreateUpdateUserResponse[]" />
</message>

<message name="UpdateUserNameRequest">
    <xsd:element name="userid" type="xsd:string"/>  
    <xsd:element name="username" type="xsd:string"/>    
</message>
<message name="UpdateUserNameResponse">
    <part name="return" type="tns:UpdateUserNameResponse[]" />
</message>

<portType name="CreateUpdateUserPort">
    <operation name="CreateUpdateUser">
        <input message="tns:CreateUpdateUserRequest" />
        <output message="tns:CreateUpdateUserResponse" />
    </operation>
    <operation name="UpdateUserName">
        <input message="tns:UpdateUserNameRequest" />
        <output message="tns:UpdateUserNameResponse" />
    </operation>
</portType>

<binding name="CreateUpdateUserBinding" type="tns:CreateUpdateUserPort">
    <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http" />
    <operation name="CreateUpdateUser">
        <soap:operation soapAction="urn:CreateUpdateUserAction" />
        <input>
            <soap:body use="encoded" namespace="urn:CreateUpdateUser" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" />        
        </input>
        <output>
            <soap:body use="encoded" namespace="urn:CreateUpdateUser" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" />        
        </output>
    </operation>

    <operation name="UpdateUserName">
        <soap:operation soapAction="urn:UpdateUserNameAction" />
        <input>
            <soap:body use="encoded" namespace="urn:UpdateUserName" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" />          
        </input>
        <output>
            <soap:body use="encoded" namespace="urn:UpdateUserName" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" />          
        </output>
    </operation>

</binding>  

<service name="CreateUpdateUserService">
    <port name="CreateUpdateUserPort" binding="tns:CreateUpdateUserBinding">
        <soap:address location="http://localhost/moodle19/service/server.php" />
    </port>
</service>  
</definitions>

我搜索了谷歌但找不到任何解决方案。我确信这个WSDL中缺少一些东西，但不知道是什么。