I cannot resolve this error about <xs:element ref="ds:Signature"/>
.
I need some help please.
Copyright (C) Microsoft Corporation. All rights reserved. Schema validation warning: The 'http://www.w3.org/2000/09/xmldsig#:Signature' el ement is not declared. Line 162, position 8.
Warning: Schema could not be validated. Class generation may fail or may produce incorrect results.
Warning: cannot generate classes because no top-level elements with complex type were found.
XSD
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
attributeFormDefault="unqualified" elementFormDefault="qualified">
<xs:import namespace="http://www.w3.org/2000/09/xmldsig#"
schemaLocation="http://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd"/>
<xs:complexType name="SobreCheques">
<xs:annotation>
<xs:documentation>Definition of the ...</xs:documentation>
</xs:annotation>
<xs:sequence>
...
<xs:element ref="ds:Signature"/>
</xs:sequence>
</xs:complexType>
</xs:schema>