org.xml.sax.SAXParseException; Element 'numAPI' has both a 'type' attribute and a 'anonymous type' child. Only one of these is allowed for an element.

org.xml.sax.SAXParseException; systemId: file:<: 21;
columnNumber: 56; src-element.3: Element 'numAPI' has both a 'type' attribute and a 'anonymous type' child. Only one of these is allowed for an element.

<xs:element type="xs:long" name="numAPI">  <xs:simpleType>    

<xs:restriction base="xs:long">      <xs:minLength value="1"/> 

   </xs:restriction>  </xs:simpleType></xs:element>

After the fix

<xs:element name="numAPI">  <xs:simpleType>    

<xs:restriction base="xs:long">      

<xs:minLength value="1"/>    </xs:restriction>  

</xs:simpleType></xs:element>