Magento error fix - wishlist and reindex error

We are suddenly getting the following log file error: a:5:{i:0;s:94:"Invalid method Mage_Page_Block_Template_Links::addLinkBlock(Array ( [0] => return_link ) )";i:1;s:2295:"#0 [internal function]: Varien_Object->__call('addLinkBlock', Array) #1 [internal function]: Mage_Page_Block_Template_Links->addLinkBlock('return_link') #2 /srv/d_skatecultwhee/www/[login to view URL](347): call_user_func_array(Array, Array) #3 /srv/d_skatecultwhee/www/[login to view URL](213): Mage_Core_Model_Layout->_generateAction(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element)) #4 /srv/d_skatecultwhee/www/[login to view URL](209): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) #5 /srv/d_skatecultwhee/www/[login to view URL](343): Mage_Core_Model_Layout->generateBlocks() #6 /srv/d_skatecultwhee/www/[login to view URL](110): Mage_Core_Controller_Varien_Action->generateLayoutBlocks() #7 /srv/d_skatecultwhee/www/[login to view URL](52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'home') #8 /srv/d_skatecultwhee/www/[login to view URL](45): Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'home') #9 /srv/d_skatecultwhee/www/[login to view URL](418): Mage_Cms_IndexController->indexAction() #10 /srv/d_skatecultwhee/www/[login to view URL](254): Mage_Core_Controller_Varien_Action->dispatch('index') #11 /srv/d_skatecultwhee/www/[login to view URL](177): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http)) #12 /srv/d_skatecultwhee/www/[login to view URL](304): Mage_Core_Controller_Varien_Front->dispatch() #13 /srv/d_skatecultwhee/www/[login to view URL](596): Mage_Core_Model_App->run(Array) #14 /srv/d_skatecultwhee/www/[login to view URL](80): Mage::run('', 'store') #15 {main}";s:3:"url";s:1:"/";s:11:"script_name";s:10:"/index.php";s:4:"skin";s:7:"default";} Also cannot reindex the following: Product Prices Product Flat Data Category Flat Data Category Products