Arduino M0 Pro cannot burn bootloader

Hello,

Im quite new in Arduino...
Im using Arduino M0 Pro for my project...
My Arduino seems cannot burn the bootloader
The error occur as below

Open On-Chip Debugger 0.9.0-g688b0b6 (2017-01-12-15:57)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
debug_level: 2
Info : only one transport option; autoselect 'swd'
adapter speed: 500 kHz
adapter_nsrst_delay: 100
cortex_m reset_config sysresetreq
Info : CMSIS-DAP: SWD Supported
Info : CMSIS-DAP: JTAG Supported
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : CMSIS-DAP: FW Version = 03.1F.01AE
Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 1 TDO = 1 nTRST = 0 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 500 kHz
Info : SWD IDCODE 0x0bc11477
Info : at91samd21g18.cpu: hardware has 4 breakpoints, 2 watchpoints
target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x41000000 pc: 0x00004368 msp: 0x20007fe0
target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x41000000 pc: 0x000028f4 msp: 0x20002c00
** Programming Started **
auto erase enabled
Info : SAMD MCU: SAMD21G18A (256KB Flash, 32KB RAM)
Info : Padding image section 0 with 3196 bytes
wrote 32768 bytes from file C:\Users\User\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.12/bootloaders/mzero/Bootloader_D21_M0_Pro_150427.hex in 3.897888s (8.210 KiB/s)
** Programming Finished **
** Verify Started **
Warn : target was in unknown state when halt was requested
Info : SWD IDCODE 0x0bc11477
Error: timed out while waiting for target halted
Error: error executing cortex_m crc algorithm
Info : SWD IDCODE 0x0bc11477
Error: Failed to read memory and, additionally, failed to find out where
Runtime Error: embedded:startup.tcl:454: ** Verify Failed **
in procedure 'program'
in procedure 'program_error' called at file "embedded:startup.tcl", line 498
at file "embedded:startup.tcl", line 454
Error while burning bootloader.

I cant find any reference on how to solve this problem... Its been a few weeks now since i tried to find the solution on the internet. Hopefully, anybody can help me...thanks