PS C:\Program Files (x86)\Nordic Semiconductor\nRFgo Studio> .\nrfutil.exe dfu serial -pkg ble_app_buttonless_dfu_without_bonds_s132.zip -p COM14 -fc 0
  [------------------------------------]    0%
Traceback (most recent call last):
  File "nordicsemi\__main__.py", line 872, in <module>
  File "site-packages\click\core.py", line 722, in __call__
  File "site-packages\click\core.py", line 697, in main
  File "site-packages\click\core.py", line 1066, in invoke
  File "site-packages\click\core.py", line 1066, in invoke
  File "site-packages\click\core.py", line 895, in invoke
  File "site-packages\click\core.py", line 535, in invoke
  File "nordicsemi\__main__.py", line 656, in serial
  File "nordicsemi\dfu\dfu.py", line 122, in dfu_send_images
  File "nordicsemi\dfu\dfu.py", line 95, in _dfu_send_image
  File "nordicsemi\dfu\dfu_transport_serial.py", line 288, in send_firmware
  File "nordicsemi\dfu\dfu_transport_serial.py", line 405, in __stream_data
  File "nordicsemi\dfu\dfu_transport_serial.py", line 345, in __calculate_checksum
  File "nordicsemi\dfu\dfu_transport_serial.py", line 423, in __get_response
pc_ble_driver_py.exceptions.NordicSemiException: Unexpected Executed OP_CODE.
Expected: 0x03 Received: 0x00
Failed to execute script __main__
PS C:\Program Files (x86)\Nordic Semiconductor\nRFgo Studio>