Error executing validateXML

[rickylkm]

2022-02-15 09:38:22,911 WARN (Util.java:326) - Error executing validateXML: src-resolve: Cannot resolve the name 'xop:Include' to a(n) 'element declaration' component.
org.xml.sax.SAXParseException: src-resolve: Cannot resolve the name 'xop:Include' to a(n) 'element declaration' component.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:396) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.reportSchemaErr(XSDHandler.java:4154) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.reportSchemaError(XSDHandler.java:4137) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.getGlobalDecl(XSDHandler.java:1684) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDElementTraverser.traverseLocal(XSDElementTraverser.java:170) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.traverseLocalElements(XSDHandler.java:3610) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.parseSchema(XSDHandler.java:638) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadSchema(XMLSchemaLoader.java:610) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadGrammar(XMLSchemaLoader.java:569) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadGrammar(XMLSchemaLoader.java:535) ~[?:1.8.0_312]
at com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory.newSchema(XMLSchemaFactory.java:254) ~[?:1.8.0_312]
at javax.xml.validation.SchemaFactory.newSchema(SchemaFactory.java:638) ~[?:1.8.0_312]
at javax.xml.validation.SchemaFactory.newSchema(SchemaFactory.java:670) ~[?:1.8.0_312]
at com.onelogin.saml2.util.SchemaFactory.loadFromUrl(SchemaFactory.java:106) ~[java-saml-core-2.8.0.jar:?]
at com.onelogin.saml2.util.Util.validateXML(Util.java:305) [java-saml-core-2.8.0.jar:?]
at com.onelogin.saml2.authn.SamlResponse.isValid(SamlResponse.java:220) [java-saml-core-2.8.0.jar:?]
at com.onelogin.saml2.Auth.processResponse(Auth.java:1202) [java-saml-2.8.0.jar:?]
at com.onelogin.saml2.Auth.processResponse(Auth.java:1248) [java-saml-2.8.0.jar:?]