title: cvc-elt.1: Cannot find the declaration of element 'data'
body: <p>These are my simple XSD and XML files, I keep getting cvc-elt.1 for the "data" node.</p>
  
  <p>Here is the XML</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="UTF-8" ?&gt;
  &lt;data xmlns="http://www.w3schools.com" 
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
        xsi:schemaLocation="https://www.w3schools.com/xml {FULL_PATH}/car_designer.xsd"&gt;
      &lt;car_designer id="1" designer_name="A C Bertelli"/&gt;
      &lt;car_designer id="2" designer_name="Adam Ty Dean Smith"/&gt;
  &lt;/data&gt;
  </code></pre>
  
  <p>Here is the XSD</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
             targetNamespace="https://www.w3schools.com"
             xmlns="https://www.w3schools.com"
             elementFormDefault="qualified"&gt;
      &lt;xs:element name="data"&gt;
          &lt;xs:complexType&gt;
              &lt;xs:sequence&gt;
                  &lt;xs:element name="car_designer" maxOccurs="unbounded"&gt;
                      &lt;xs:complexType&gt;
                          &lt;xs:attribute name="id" type="xs:int"&gt;&lt;/xs:attribute&gt;
                          &lt;xs:attribute name="designer_name" type="xs:string"&gt;&lt;/xs:attribute&gt;
                      &lt;/xs:complexType&gt;
                  &lt;/xs:element&gt;
              &lt;/xs:sequence&gt;
          &lt;/xs:complexType&gt;
      &lt;/xs:element&gt;
  &lt;/xs:schema&gt;
  </code></pre>