plugins/sys/templates/user/account/change_email/confirm_error.stpl
<h1 class="header">Confirmation Error</h1>
<table width="100%" align="center">
<tr>
<td><p>Sorry, either you have already confirmed this action or your confirmation code is wrong.
Please check you account info <a href="./?object=user_info">here</a>
or enter your confirmation code provided in our email <a href="./?object=account&action=confirm_change_email">here</a>.
</p><br />
</td>
</tr>
</table>