the url http://xxxx.com/index.php?format=feed&type=atom has created the sef url http://xxxx.com/feed/atom/
however this is returning an error
Fatal error: Uncaught exception 'Exception' with message 'View not found [name, type, prefix]: error404, feed, sh404sefView' in /home/XXXXXXX/public_html/libraries/legacy/controller/legacy.php:885 Stack trace: #0 /home/histor74/public_html/libraries/legacy/controller/legacy.php(645): JControllerLegacy->getView('error404', 'feed', '', Array) #1 /home/XXXXXXX/public_html/libraries/legacy/controller/legacy.php(728): JControllerLegacy->display() #2 /home/XXXXXXX/public_html/administrator/components/com_sh404sef/helpers/error.php(241): JControllerLegacy->execute(NULL) #3 /home/XXXXXXX/public_html/administrator/components/com_sh404sef/helpers/error.php(65): Sh404sefHelperError::render(Object(Exception), 'The page you re...') #4 /home/XXXXXXX/public_html/administrator/components/com_sh404sef/classes/router.php(1946): Sh404sefHelperError::render404ErrorDocument(Object(Exception)) #5 [internal function]: Sh404sefClassRouterInternal->sh404sefErrorPage(Object(Exception)) #6 {main} thrown in /home/XXXXX/public_html/libraries/legacy/controller/legacy.php on line 885
however this is returning an error
Fatal error: Uncaught exception 'Exception' with message 'View not found [name, type, prefix]: error404, feed, sh404sefView' in /home/XXXXXXX/public_html/libraries/legacy/controller/legacy.php:885 Stack trace: #0 /home/histor74/public_html/libraries/legacy/controller/legacy.php(645): JControllerLegacy->getView('error404', 'feed', '', Array) #1 /home/XXXXXXX/public_html/libraries/legacy/controller/legacy.php(728): JControllerLegacy->display() #2 /home/XXXXXXX/public_html/administrator/components/com_sh404sef/helpers/error.php(241): JControllerLegacy->execute(NULL) #3 /home/XXXXXXX/public_html/administrator/components/com_sh404sef/helpers/error.php(65): Sh404sefHelperError::render(Object(Exception), 'The page you re...') #4 /home/XXXXXXX/public_html/administrator/components/com_sh404sef/classes/router.php(1946): Sh404sefHelperError::render404ErrorDocument(Object(Exception)) #5 [internal function]: Sh404sefClassRouterInternal->sh404sefErrorPage(Object(Exception)) #6 {main} thrown in /home/XXXXX/public_html/libraries/legacy/controller/legacy.php on line 885