Linux problem

I'm installing elgg on linux but I have a lot of erros.

[Sat Feb 22 21:41:58 2014] [error] [client 127.0.0.1] File does not exist: /var/www/rs/elgg/js/elgg.1391891741.js, referer: http://localhost/rs/elgg/
[Sat Feb 22 21:41:58 2014] [error] [client 127.0.0.1] File does not exist: /var/www/rs/elgg/js/developers, referer: http://localhost/rs/elgg/
[Sat Feb 22 21:41:58 2014] [error] [client 127.0.0.1] File does not exist: /var/www/rs/elgg/pg, referer: http://localhost/rs/elgg/


Can someone help me please