[Serusers] shmem errors while running ser 0.9.4

Im running ser 0.9.4 on a Fedora Core 3 box. Im using mysql auth & storage. If a client wants to register, the debug information displays the following (below): What could be the cause of this problem ? TIA Hilco ====================================== textops - initializing 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 262142 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 262142 1(0) INFO: fifo process starting: 19593 1(0) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo... 1(0) WARNING: no fifo_db_url given - fifo DB commands disabled! 11(19623) ERROR: build_req_buf_from_sip_req: out of memory 11(19623) ERROR: print_uac_request: no pkg_mem 11(19623) ERROR: t_forward_nonack: failure to add branches 16(19638) ERROR: print_uac_request: no shmem 16(19638) ERROR: t_forward_nonack: failure to add branches 17(19641) ERROR: relay_reply: cannot alloc reply shmem 17(19641) ERROR: _reply_light: cannot allocate shmem buffer ==========================================