AT91SAM7-P256 with ARM-USB-OCD

Hi,

I’m new to ARM-USB-OCD with AT91SAM7-P256.

Im trying to run the tutorial LED blinking program but it does not success at 27% with the error below:-

source .gdbinit

target remote localhost:3333

warning: while parsing target memory map (at line 2): Required element is missing

0x00000010 in _vec_dabt ()

monitor soft_reset_halt

requesting target halt and executing a soft reset

monitor armv4_5 core_state arm

core state: ARM

monitor mww 0xffffff60 0x00320100

memory write caused data abort (address: 0xffffff60, size: 0x4, count: 0x1)

monitor mww 0xfffffd44 0xa0008000

monitor mww 0xfffffc20 0xa0000601

monitor wait 100

monitor mww 0xfffffc2c 0x00480a0e

monitor wait 200

monitor mww 0xfffffc30 0x7

monitor wait 100

monitor mww 0xfffffd08 0xa5000401

set remote memory-write-packet-size 1024

set remote memory-write-packet-size fixed

set remote memory-read-packet-size 1024

set remote memory-read-packet-size fixed

monitor arm7_9 force_hw_bkpts enable

force hardware breakpoints enabled

symbol-file main.out

continue

How could I solve this problem??