install webclient and pear

[zorg]

hi,
I'm trying to install the webclient
but when I do
/kolab/bin/pear install -f  Net_IMAP
I always get this error

Warning: mkdir(): SAFE MODE Restriction in effect.  The script whose uid 
is 1000 is not allowed to access /tmp owned by uid 0 in System.php on 
line 249
downloading Net_IMAP-1.0.3.tgz ...
could not open /Net_IMAP-1.0.3.tgz for writing

I've try using root or kolab user same problem

I someone can help

I'm using the current kolab 2 server install 2 Days ago

thank