【求助】自己的網頁上傳後無法正常開啟

請問各位先進,小弟在外國申請了一個需要錢的web 空間,對方支援php,mysql,domain,mail等等的服務
小弟也抓了phpNuke來使用,先在自己的電腦上安裝,Nuke是都沒有問題,管理正常,再來上傳整個nuke後sql資料庫也有在對方網站上做連結,但是開啟網站後,卻出現以下的錯誤訊息:

Warning: main(language/lang-.php): failed to open stream: No such file or directory in /home/smartyyi/www/html/mainfile.php on line 75

Warning: main(): Failed opening 'language/lang-.php' for inclusion (include_path='.:/usr/local/share/pear:/usr/local/lib/php') in /home/smartyyi/www/html/mainfile.php on line 75

Warning: mysql_query(): Access denied for user: 'nobody@localhost' (Using password: NO) in /home/smartyyi/www/html/modules/ks_analys/fXA/NewVisitor.php on line 15

Warning: mysql_query(): A link to the server could not be established in /home/smartyyi/www/html/modules/ks_analys/fXA/NewVisitor.php on line 15

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/smartyyi/www/html/modules/ks_analys/fXA/NewVisitor.php on line 15

Warning: mysql_query(): Access denied for user: 'nobody@localhost' (Using password: NO) in /home/smartyyi/www/html/modules/ks_analys/fXA/NewVisitor.php on line 117

Warning: mysql_query(): A link to the server could not be established in /home/smartyyi/www/html/modules/ks_analys/fXA/NewVisitor.php on line 117

Warning: mysql_insert_id(): A link to the server could not be established in /home/smartyyi/www/html/modules/ks_analys/fXA/NewVisitor.php on line 120

Warning: head(themes//theme.php): failed to open stream: No such file or directory in /home/smartyyi/www/html/header.php on line 36

Warning: head(): Failed opening 'themes//theme.php' for inclusion (include_path='.:/usr/local/share/pear:/usr/local/lib/php') in /home/smartyyi/www/html/header.php on line 36

Fatal error: Call to undefined function: themeheader() in /home/smartyyi/www/html/header.php on line 68

請問這是什麼原因呢?謝謝各位..