sudo  python3 main.py -S /dev/ttyUSB0 -r sn
gurux_dlms version: 1.0.64
gurux_net version: 1.0.17
gurux_serial version: 1.0.14
Authentication: Authentication.NONE
ClientAddress: 0x10
ServerAddress: 0x1
Unknown object : 10006 16
Unknown object : 10002 232
Unknown object : 10080 336
Unknown object : 10014 1976
Unknown object : 10017 2048
Unknown object : 10020 2184
Unknown object : 10018 2216
Unknown object : 10100 26400
Unknown object : 10040 2248
Unknown object : 10660 2496
Unknown object : 10021 20000
DisconnectRequest
Traceback (most recent call last):
  File "/home/ilhan/dev/Gurux.DLMS.Python/Gurux.DLMS.Client.Example.python/GXDLMSReader.py", line 378, in readScalerAndUnits
    self.readList(list_)
  File "/home/ilhan/dev/Gurux.DLMS.Python/Gurux.DLMS.Client.Example.python/GXDLMSReader.py", line 339, in readList
    raise ValueError("Invalid reply. Read items count do not match.")
ValueError: Invalid reply. Read items count do not match.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "main.py", line 84, in main
    reader.readAll(settings.outputFile)
  File "/home/ilhan/dev/Gurux.DLMS.Python/Gurux.DLMS.Client.Example.python/GXDLMSReader.py", line 508, in readAll
    self.readScalerAndUnits()
  File "/home/ilhan/dev/Gurux.DLMS.Python/Gurux.DLMS.Client.Example.python/GXDLMSReader.py", line 380, in readScalerAndUnits
    self.client.negotiatedConformance &= ~Conformance.MULTIPLE_REFERENCES
AttributeError: can't set attribute
Ended. Press any key to continue.