[wp-testers] unable to import

[Naudirz]

Hi!
broken importer..
im tring to make an import just after doing an export but im only 
getting an error..
is this a  reported bug?

--------------------------------------------
Import WordPress
The uploaded file could not be moved to 
/usr/home/web/wse124438/wordpress/wp-content.
Warning: Cannot modify header information - headers already sent by 
(output started at 
/usr/home/web/wse124438/wordpress/wp-admin/admin-header.php:16) in 
/usr/home/web/wse124438/wordpress/wp-includes/functions.php on line 1321
--------------------------------------------

RGDS Phibrz