[Serusers] serweb fifo error

How can I fix this error? WARNING: no fork mode stateless - initializing 0(0) Maxfwd module- initializing 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 221184 2(0) INFO: fifo process starting: 6710 2(6710) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo... 2(6710) ERROR: open_reply_pipe: open error (/tmp/webfifo_1171263842): No such file or directory 2(6710) ERROR: fifo_reply: no reply pipe /tmp/webfifo_1171263842 2(6710) ERROR: open_reply_pipe: open error (/tmp/webfifo_1374470966): No such file or directory 2(6710) ERROR: fifo_reply: no reply pipe /tmp/webfifo_1374470966 2(6710) ERROR: open_reply_pipe: open error (/tmp/webfifo_1359801488): No such file or directory 2(6710) ERROR: fifo_reply: no reply pipe /tmp/webfifo_1359801488 2(6710) ERROR: open_reply_pipe: open error (/tmp/webfifo_90028122): No such file or directory 2(6710) ERROR: fifo_reply: no reply pipe /tmp/webfifo_90028122 2(6710) ERROR: open_reply_pipe: open error (/tmp/webfifo_1698796794): No such file or directory 2(6710) ERROR: fifo_reply: no reply pipe /tmp/webfifo_1698796794 ------------------------------------------------------------------------------------------------ Below is an excerpt of my ser.cfg ------------------------------------------------------------------------------------------------ # $Id: hello-world.cfg 46 2006-01-25 04:21:30Z /CN=Paul Hazlett/emailAddress=paul(a)onsip.org $ debug=3 fork=no log_stderror=yes listen=192.168.0.2 port=5060 children=4 dns=no rev_dns=no fifo="/tmp/ser_fifo" fifo_mode = 0666 fifo_db_url="mysql://ser:heslo@localhost/ser" --------------------------------------------------------------------------------------------- Yours, Mike.