Invalid id or tag '_magento_extensions.html' : must use only [a-zA-Z0-9_]
#0 /var/www/icFramework/library/Zend/Cache/Core.php(600): Zend_Cache::throwException('Invalid id or t...')
#1 /var/www/icFramework/library/Zend/Cache/Core.php(293): Zend_Cache_Core::_validateIdOrTag('_magento_extens...')
#2 /var/www/modules/core/icWebsite/controllers/CmsController.php(41): Zend_Cache_Core->load('_magento_extens...')
#3 /var/www/icFramework/library/Zend/Controller/Action.php(513): CmsController->indexAction()
#4 /var/www/icFramework/library/Zend/Controller/Dispatcher/Standard.php(289): Zend_Controller_Action->dispatch('indexAction')
#5 /var/www/icFramework/library/Zend/Controller/Front.php(946): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#6 /var/www/index.php(280): Zend_Controller_Front->dispatch()
#7 {main}