I have a Problem installing Elgg

Hi,

I am triying to install the lastet elgg( 1.7 no xD)(Srry about my bad english). I have uploaded all the files into mi host and I have modified de settings file. Okey, when i go to mi webpage it says ''Systems settings''. I enter a name, a description etc..., and when i click save the webpage go to this url http://private.es/actions/systemsettings/install so my host says file not found!!!. Okey i go to my host, i changed the folder actions to action, and i do the same. When i click save in ''system settings'' the webpage go to http://private.es/action/systemsettings/install And my host say file not found so i have puted in the url http://private.es/action/systemsettings/install.php and i click enter but the webpage says this: Fatal error: Call to undefined function elgg_set_viewtype() in /homepages/29/d298177617/htdocs/action/systemsettings/install.php on line 16 .

 

Please help meee!!!

 

Thx