MMWAVE-STUDIO: mmWave Configuration File Json file error!!!

I generated the JOSN configuration file of millimeter wave radar through mmWaveSensingEstimato. I hope to load this configuration file directly through mmWave Configuration File in import_export in mmwave_studio, so that I don't need to carry out complicated configuration process.However, during the configuration process, some problems appeared.This is my OUTPUT window.

22:04:05] [RadarAPI]: Single Chip Configuration
[22:04:05] Capture Setup JSON Configuration is imported and loaded. DONE.
[22:04:11] [RadarAPI]: Single Chip Configuration
[22:04:11] Capture Setup JSON Configuration is imported and loaded. DONE.
[22:04:14] [RadarAPI]: ar1.CaptureCardConfig_EthInit("192.168.33.30", "192.168.33.180", "12:34:56:78:90:12", 4096, 4098)
[22:04:14] [RadarAPI]: ar1.CaptureCardConfig_Mode(1, 2, 1, 2, 3, 30)
[22:04:14] [RadarAPI]: ar1.CaptureCardConfig_PacketDelay(25)
[22:04:14] [RadarAPI]: Sending fpga command to DCA1000
[22:04:14] [RadarAPI]:
[22:04:14] FPGA Configuration command : Success
[22:04:14] [RadarAPI]: Sending record command to DCA1000
[22:04:15] [RadarAPI]:
[22:04:15] Configure Record command : Success
[22:04:15] [RadarAPI]: ar1.GetCaptureCardFPGAVersion()
[22:04:15] [RadarAPI]: Sending fpga_version command to DCA1000
[22:04:16] [RadarAPI]:
[22:04:16]
[22:04:16] FPGA Version : 2.8 [Record]
[22:04:16]
[22:04:17] [RadarAPI]: Single Chip Configuration
[22:04:17] Capture Setup JSON Configuration is imported and loaded. DONE.
[22:04:24] [RadarAPI]: Single Chip Configuration
[22:04:24] [RadarAPI]: No of devices connected and the no of devices in the json config are matching
[22:04:33] [RadarAPI]: ar1.PowerOff()
[22:04:33] [RadarAPI]: Status: Passed
[22:04:33] [RadarAPI]: Opening Gpio Control Port()
[22:04:33] [RadarAPI]: Status: Passed
[22:04:34] [RadarAPI]: ar1.Disconnect()
[22:04:34] [RadarAPI]: ar1.Calling_ATE_DisconnectTarget()
[22:04:34] [RadarAPI]: ar1.Calling_IsConnected()
[22:04:34] [RadarAPI]: ar1.SaveSettings('C:\Users\Administrator\AppData\Roaming\RSTD\ar1gui.ini')
[22:04:34] [RadarAPI]: Opening Board Control Port()
[22:04:34] [RadarAPI]: Status: Passed
[22:04:35] [RadarAPI]: ar1.FullReset()
[22:04:35] [RadarAPI]: Status: Passed
[22:04:35] [RadarAPI]: Closing Board Control Port()
[22:04:35] [RadarAPI]: Status: Passed
[22:04:36] [RadarAPI]: Closing Gpio Control Port()
[22:04:36] [RadarAPI]: Status: Passed
[22:04:36] [RadarAPI]: ar1.SOPControl(2)
[22:04:36] [RadarAPI]: Status: Passed
[22:04:39] [RadarAPI]: ar1.Connect(6,921600,1000)
[22:04:42] [RadarAPI]: Warning: Connected with baudrate 115200
[22:04:43] [RadarAPI]: Warning: Disconnected existing BaudRate
[22:04:43] [RadarAPI]: Warning: Trying to connect with baudrate 921600
[22:04:45] [RadarAPI]: ar1.Calling_IsConnected()
[22:04:46] [RadarAPI]: ar1.SelectChipVersion("AR1642")
[22:04:46] [RadarAPI]: Status: Passed
[22:04:46] [RadarAPI]: ar1.SelectChipVersion("XWR1642")
[22:04:46] [RadarAPI]: Status: Passed
[22:04:46] Device Status : XWR1642/ASIL-B/SOP:2/ES:2
[22:04:46] [RadarAPI]: ar1.SaveSettings('C:\Users\Administrator\AppData\Roaming\RSTD\ar1gui.ini')
[22:04:51] [RadarAPI]: ar1.DownloadBSSFw("C:\\ti\\mmwave_studio_02_01_01_00\\rf_eval_firmware\\radarss\\xwr16xx_radarss.bin")
[22:04:52] [RadarAPI]: Downloading BSS Patch RPRC Binary..
[22:04:53] [RadarAPI]: ar1.GetBSSFwVersion()
[22:04:53] [RadarAPI]: BSSFwVersion:(02.00.00.01 (05/10/17))
[22:04:54] [RadarAPI]: ar1.GetBSSPatchFwVersion()
[22:04:54] [RadarAPI]: BSSPatchFwVersion:(01.02.05.02 (30/04/19))
[22:04:54] [RadarAPI]: ar1.DownloadMSSFw("C:\\ti\\mmwave_studio_02_01_01_00\\rf_eval_firmware\\masterss\\xwr16xx_masterss.bin")
[22:04:55] [RadarAPI]: Downloading MSS RPRC Binary..
[22:04:57] [RadarAPI]: ar1.GetMSSFwVersion()
[22:04:57] [RadarAPI]: MSSFwVersion:(01.02.05.02 (16/07/19))
[22:04:58] [RadarAPI]: ar1.PowerOn(0, 1000, 0, 0)
[22:04:58] MSS power up done async event received!
[22:04:58] [RadarAPI]: Status: Passed
[22:05:03] [RadarAPI]: ar1.SelectChipVersion("AR1642")
[22:05:03] [RadarAPI]: Status: Passed
[22:05:03] [RadarAPI]: ar1.SelectChipVersion("XWR1642")
[22:05:03] [RadarAPI]: Status: Passed
[22:05:03] Device Status : XWR1642/ASIL-B/SOP:2/ES:2
[22:05:03] [RadarAPI]: ar1.RfEnable()
[22:05:03] [RadarAPI]: Status: Passed
[22:05:03] BSS power up done async event received!
[22:05:04] [RadarAPI]: ar1.GetMSSFwVersion()
[22:05:04] [RadarAPI]: MSSFwVersion:(01.02.05.02 (16/07/19))
[22:05:04] [RadarAPI]: ar1.GetBSSFwVersion()
[22:05:04] [RadarAPI]: BSSFwVersion:(02.00.00.01 (05/10/17))
[22:05:05] [RadarAPI]: ar1.GetBSSPatchFwVersion()
[22:05:05] [RadarAPI]: BSSPatchFwVersion:(01.02.05.02 (30/04/19))
[22:05:10] [RadarAPI]: ar1.CaptureCard_DisConnect()
[22:05:10] [RadarAPI]: Status:Passed
[22:05:10] Capture Setup is Configured. DONE.
[22:05:17] [RadarAPI]: Single Chip Configuration
[22:05:17] [RadarAPI]: No of devices connected and the no of devices in the json config are matching

why thereis“No of devices connected and the no of devices in the json config are matching”

Is my configuration step wrong? If it is wrong, can you tell me in detail the process of directly configuring radar using JSON file?