problem - Domain Mapping plugin

I installed multisite.. as explained at http://codex.wordpress.org/Create_A_Network

and then installed Domain Mapping plugin as explained at https://premium.wpmudev.org/project/domain-mapping/

I cant create new site.. but the new site.. is not as usual.

and cant access to admin of the new website.

Like: http://sites1.nepaleses.com/geeknepal/ is the site. The site is under sub directory..and i added to the wp-config and htaccess file as prescribed.

..

I can see.. http://sites1.nepaleses.com/geeknepal/ which is like unusual..

but cant access to admin of this site.:

http://sites1.nepaleses.com/geeknepal/wp-admin/

Please help me some one.

Thanks.