First problem with vBulletin

[محروم.كوم]

Warning: tempnam() [function.tempnam]: open_basedir restriction in effect. File() is not within the allowed path(s): (/home:/usr:/tmp:/var/netenberg) in [path]/includes/class_dm_userpic.php on line 204


Warning: fopen() [function.fopen]: Filename cannot be empty in [path]/includes/class_image.php on line 333


This happens when I try to upload my avatar.
Any known solution? Thanks! __DEFINE_LIKE_SHARE__