Inside my pages.xml, i am getting this error- cvc-elt.1: Cannot find the declaration of element 'page'.

I do not know how to resolve the issue, everything is correct on my part.

xml version="1.0" encoding="UTF-8"?>

<

pages xmlns="http://jboss.com/products/seam/pages"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://jboss.com/products/seam/pages http://jboss.com/products/seam/pages-2.1.xsd"

no-conversation-view-id="/home.xhtml"

login-view-id="/login.xhtml">

<page view-id="*">

<navigation>

<rule if-outcome="home">

<redirect view-id="/home.xhtml" />

</rule>

</navigation>

</page>

<exception class="org.jboss.seam.framework.EntityNotFoundException">

<redirect view-id="/error.xhtml">

<message severity="warn">Record not found</message>

</redirect>

</exception>

<exception class="javax.persistence.EntityNotFoundException">

<redirect view-id="/error.xhtml">

<message severity="warn">Record not found</message>

</redirect>

</exception>

<exception class="javax.persistence.EntityExistsException">

<redirect view-id="/error.xhtml">

<message severity="warn">Duplicate record</message>

</redirect>

</exception>

<exception class="javax.persistence.OptimisticLockException">

<end-conversation />

<redirect view-id="/error.xhtml">

<message severity="warn">Another user changed the same data,

please try again

</message>

</redirect>

</exception>

<exception class="org.jboss.seam.security.AuthorizationException">

<redirect view-id="/error.xhtml">

<message severity="error">You don't have permission to access this

resource

</message>

</redirect>

</exception>

<exception class="org.jboss.seam.security.NotLoggedInException">

<redirect view-id="/login.xhtml">

<message severity="warn">#{messages['org.jboss.seam.NotLoggedIn']}</message>

</redirect>

</exception>

<exception class="javax.faces.application.ViewExpiredException">

<redirect view-id="/error.xhtml">

<message severity="warn">Your session has timed out, please try

again

</message>

</redirect>

</exception>

<exception class="org.jboss.seam.ConcurrentRequestTimeoutException"

log-level="trace">

<http-error error-code="503" />

</exception>

<exception>

<redirect view-id="/error.xhtml">

<message severity="error">Unexpected error, please try

again

</message>

</redirect>

</exception>

pages>