I installed serweb-0.9.6 on openser-1.3.2, but when I enter username and password, the following Warning comes out. How should I solve this problem?

-------------------------------------------- http://localhost/openserweb/user/index.php username:0103@192.168.0.3 password:xxxxx ---------------------------------------------

----------------------------------------------------------------------------- http://localhost/openserweb/user/my_account.php?kvrk=483a8e78876b5

( ! ) Warning: fopen(/tmp/openser_fifo) [function.fopen]: failed to open stream: Permission denied in /var/www/openserweb/serweb-0.9.6/html/functions.php on line 345 -----------------------------------------------------------------------------

/var/www/openserweb/serweb-0.9.6/html/functions.php (L:344-348) /* open fifo now */ $fifo_handle=fopen( $config->fifo_server, "w" ); if (!$fifo_handle) { $errors[]="sorry -- cannot open write fifo"; return false; }

-- Zen Kato