Page last modified 14:25, 28 Mar 2014 by jukkam


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    Version as of 08:25, 27 Jun 2022

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    General description of the error:

    The format of the error message: cvc-elt.4.3: Type ''{1}'' is not validly derived from the type definition, ''{2}'', of element ''{0}''.

    Error description in schema standard:


    Possible causes for this error:

    • File has an element with a type that is not defined to be extended (derived) from the base datatype.


    Schema would be along with:


    <xsd:element name="directory">
            <xsd:element name="contact" type="contactType" minOccurs="0" maxOccurs="unbounded"/>
    <!-- Defining the base datatype -->
    <xsd:complexType name="contactType">
         <xsd:element name="name" type="xsd:string"/>
    <!-- Defining a derived datatype -->
    <xsd:complexType name="phoneContactType">
         <xsd:extension base="contactType">
               <xsd:element name="phone" type="xsd:string"/>


    An example




    Error message: Error cvc-complex-type.2.1: Element 'NWKRadioManagement' must have no character or element information item [children], because the type's content type is empty.

    How to fix: The error can be corrected by removing the content of the element.

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