我对NRF6707 Power Profiler套件第一次使用有一些疑问，我想问你 ：
用Amr仿真器JILNK连接NF6707 报错 log日志如下:
2019-11-22T05:21:57.594Z INFO Application data folder: C:\Users\dell\AppData\Roaming\nrfconnect\pc-nrfconnect-ppk
2019-11-22T05:21:57.599Z INFO App initialized
2019-11-22T05:21:57.841Z DEBUG App pc-nrfconnect-ppk v2.3.0 official
2019-11-22T05:21:57.841Z DEBUG App path: C:\Users\dell\.nrfconnect-apps\node_modules\pc-nrfconnect-ppk
2019-11-22T05:21:57.842Z DEBUG nRFConnect 3.1.0 is not supported by the app (^3.3.0)
2019-11-22T05:21:57.842Z DEBUG nRFConnect path: C:\Users\dell\AppData\Local\Programs\nrfconnect\resources\app.asar
2019-11-22T05:21:57.842Z DEBUG HomeDir: C:\Users\dell
2019-11-22T05:21:57.842Z DEBUG TmpDir: C:\Users\dell\AppData\Local\Temp
2019-11-22T05:21:57.848Z VERBOSE Could not fetch serial number for serial port at COM3
2019-11-22T05:22:01.036Z INFO Validating firmware for device with s/n 000059400616
2019-11-22T05:22:01.039Z INFO PPK closed
2019-11-22T05:22:03.563Z ERROR Error while setting up device 000059400616: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
2019-11-22T05:22:03.564Z INFO Deselecting device
2019-11-22T05:22:03.566Z INFO PPK closed
2019-11-22T05:23:18.220Z INFO Validating firmware for device with s/n 000059400616
2019-11-22T05:23:18.223Z INFO PPK closed
2019-11-22T05:23:20.707Z ERROR Error while setting up device 000059400616: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
2019-11-22T05:23:20.707Z INFO Deselecting device
2019-11-22T05:23:20.709Z INFO PPK closed
2019-11-22T05:23:56.787Z INFO Validating firmware for device with s/n 000059400616
2019-11-22T05:23:56.789Z INFO PPK closed
2019-11-22T05:23:59.274Z ERROR Error while setting up device 000059400616: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
2019-11-22T05:23:59.274Z INFO Deselecting device
2019-11-22T05:23:59.276Z INFO PPK closed
2019-11-22T05:26:12.227Z INFO Validating firmware for device with s/n 000063628771
2019-11-22T05:26:12.230Z INFO PPK closed
2019-11-22T05:26:21.257Z ERROR Error while setting up device 000063628771: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
2019-11-22T05:26:21.258Z INFO Deselecting device
2019-11-22T05:26:21.260Z INFO PPK closed
2019-11-22T05:27:22.515Z INFO Validating firmware for device with s/n 000063628771
2019-11-22T05:27:22.517Z INFO PPK closed
2019-11-22T05:27:25.088Z ERROR Error while setting up device 000063628771: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
2019-11-22T05:27:25.088Z INFO Deselecting device
2019-11-22T05:27:25.089Z INFO PPK closed
2019-11-22T05:27:33.108Z INFO Validating firmware for device with s/n 000063628771
2019-11-22T05:27:33.110Z INFO PPK closed
2019-11-22T05:27:35.585Z ERROR Error while setting up device 000063628771: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
2019-11-22T05:27:35.586Z INFO Deselecting device
2019-11-22T05:27:35.588Z INFO PPK closed
2019-11-22T05:29:11.260Z INFO Validating firmware for device with s/n 000063628771
2019-11-22T05:29:11.262Z INFO PPK closed
2019-11-22T05:29:13.713Z ERROR Error while setting up device 000063628771: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: JLINKARM_DLL_ERROR (ffffff9a)
