My b2evolution Version: 1.10.x

I cant uppload files reciving eroor

hose uid/gid is 142666/142666 is not allowed to access /hsphere/local/home/andreas2/theshadow.se/agnos/media/blogs/slug owned by uid/gid 398/398 in /hsphere/local/home/andreas2/theshadow.se/agnos/inc/files/upload.ctrl.php on line 334 Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/andreas2/theshadow.se/agnos/inc/files/upload.ctrl.php:334) in /hsphere/local/home/andreas2/theshadow.se/agnos/skins_adm/_html_header.inc.php on line 40