Language Problem

Hello,
I upload 1.5.6 but after few changes in settings > languages, now i can not enter in admin session. Following error displayed ...
Notice: Error: Could not load language swedish! in /customers/8/e/3/carmedia.se/httpd.www/system/library/language.php on line 39Warning: Cannot modify header information - headers already sent by (output started at /customers/8/e/3/carmedia.se/httpd.www/admin/index.php:81) in /customers/8/e/3/carmedia.se/httpd.www/system/engine/controller.php on line 28Warning: Cannot modify header information - headers already sent by (output started at /customers/8/e/3/carmedia.se/httpd.www/admin/index.php:81) in /customers/8/e/3/carmedia.se/httpd.www/system/engine/controller.php on line 29

I deleted opencart and database and install again

again language problem,

when i click on swedish flag ......
Notice: Error: Could not load language swedish! in /customers/8/e/3/carmedia.se/httpd.www/system/library/language.php on line 39

Anyone help me to fix this plz....

Did you solve his problem? I´m getting the same language problem as you.