error in installation

[Yurbasik]

I just upload files on server.. and see it in debug mode

Code:

Notice: Undefined variable: SITEURL in /usr/home/ykng/public_html/admin/inc/common.php on line 87

Notice: Undefined variable: SITENAME in /usr/home/ykng/public_html/admin/inc/common.php on line 90

Warning: include_once() [function.include-once]: Unable to access /usr/home/ykng/public_html/admin/lang/ru_RU.KOI8-R.php in /usr/home/ykng/public_html/admin/inc/common.php on line 111

Warning: include_once(/usr/home/ykng/public_html/admin/lang/ru_RU.KOI8-R.php) [function.include-once]: failed to open stream: Permission denied in /usr/home/ykng/public_html/admin/inc/common.php on line 111

Warning: include_once() [function.include]: Failed opening '/usr/home/ykng/public_html/admin/lang/ru_RU.KOI8-R.php' for inclusion (include_path='/usr/home') in /usr/home/ykng/public_html/admin/inc/common.php on line 111

Warning: require_once(inc/configuration.php) [function.require-once]: failed to open stream: No such file or directory in /usr/home/ykng/public_html/admin/inc/cookie_functions.php on line 9

Fatal error: require_once() [function.require]: Failed opening required 'inc/configuration.php' (include_path='/usr/home') in /usr/home/ykng/public_html/admin/inc/cookie_functions.php on line 9

ps. site http://ykng.at.ck.ua

[Zegnåt]

Does the file /admin/inc/configuration.php exist? Is it accessible on the server? It seems to die when it tries to get to that file.

[Yurbasik]

yes, he is accessible on the server, i use 777 for atributes...
and also error

Code:

Notice: Undefined variable: SITEURL in /usr/home/ykng/public_html/admin/inc/common.php on line 87

Notice: Undefined variable: SITENAME in /usr/home/ykng/public_html/admin/inc/common.php on line 90

Warning: include_once() [function.include-once]: Unable to access /usr/home/ykng/public_html/admin/lang/ru_RU.KOI8-R.php in /usr/home/ykng/public_html/admin/inc/common.php on line 111

Warning: include_once(/usr/home/ykng/public_html/admin/lang/ru_RU.KOI8-R.php) [function.include-once]: failed to open stream: Permission denied in /usr/home/ykng/public_html/admin/inc/common.php on line 111

Warning: include_once() [function.include]: Failed opening '/usr/home/ykng/public_html/admin/lang/ru_RU.KOI8-R.php' for inclusion (include_path='/usr/home') in /usr/home/ykng/public_html/admin/inc/common.php on line 111

Warning: require_once(inc/configuration.php) [function.require-once]: failed to open stream: No such file or directory in /usr/home/ykng/public_html/admin/inc/cookie_functions.php on line 9

Fatal error: require_once() [function.require]: Failed opening required 'inc/configuration.php' (include_path='/usr/home') in /usr/home/ykng/public_html/admin/inc/cookie_functions.php on line 9