htacces chmod uploading wih BP avatar

HI Guys

When im trying to upload a avatar

i will get this error (i replaced the domains with xxxxxxx)

Warning: is_dir() [function.is-dir]: open_basedir restriction in effect. File(/) is not within the allowed path(s): (/home/twine/:disappointed:tmp:disappointed:var/tmp:disappointed:usr/local/lib/php/) in /home/twine/domains/xxxxx.com/public_html/wp-includes/functions.php on line 2060

Warning: file_exists() [function.file-exists]: open_basedir restriction in effect. File(/) is not within the allowed path(s): (/home/twine/:disappointed:tmp:disappointed:var/tmp:disappointed:usr/local/lib/php/) in /home/twine/domains/xxxxxx.com/public_html/wp-includes/functions.php on line 2051

Warning: is_dir() [function.is-dir]: open_basedir restriction in effect. File(/) is not within the allowed path(s): (/home/twine/:disappointed:tmp:disappointed:var/tmp:disappointed:usr/local/lib/php/) in /home/twine/domains/xxxxxx.com/public_html/wp-includes/functions.php on line 2060

Upload Failed! Error was: Unable to create directory /avatars/6. Is its parent directory writable by the server?

.htacces

# BEGIN WordPress
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]

# uploaded files
RewriteRule ^([_0-9a-zA-Z-]+/)?files/(.+) wp-includes/ms-files.php?file=$2 [L]

# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^[_0-9a-zA-Z-]+/(wp-(content|admin|includes).*) $1 [L]
RewriteRule ^[_0-9a-zA-Z-]+/(.*\.php)$ $1 [L]
RewriteRule . index.php [L]
# END WordPress

Its a subdirectory instal

My hosting provider says its no chmod problem but a htacces issue