There are issue in Config.xml

Here the code is <ACME_ErrorHandler> 1.0.2 <Mage_Page /> </ACME_ErrorHandler> <errorhandler_index_noroute> /errorhandler/index/noroute/ </errorhandler_index_noroute>

      <frontend>
        <routers>
            <skuroute>
                <use>standard</use>
                <args>
                    <module>ACME_ErrorHandler</module>
                    <frontName>errorhandler</frontName>
                </args>
            </skuroute>
        </routers>
    </frontend>
   </config>

And Class name of Controller is wrong

<?php
require_once Mage::getModuleDir('controllers', 'Mage_Cms').DS.'IndexController.php';
class ACME_ErrorHandler_IndexController extends Mage_Cms_IndexController
{

There are issue in Config.xml

Here the code is <ACME_ErrorHandler> 1.0.2 <Mage_Page /> </ACME_ErrorHandler> <errorhandler_index_noroute> /errorhandler/index/noroute/ </errorhandler_index_noroute>

      <frontend>
        <routers>
            <skuroute>
                <use>standard</use>
                <args>
                    <module>ACME_ErrorHandler</module>
                    <frontName>errorhandler</frontName>
                </args>
            </skuroute>
        </routers>
    </frontend>
   </config>

And Class name of Controller is wrong

<?php
require_once Mage::getModuleDir('controllers', 'Mage_Cms').DS.'IndexController.php';
class ACME_ErrorHandler_IndexController extends Mage_Cms_IndexController
{

Most of import match route is exist Please checked at http://magentosupport.help/knowledgebase/solved-front-controller-reached-100-router-match-iterations/