DSMR binding HANDLER_INITIALIZING_ERROR

I would like to read my smart meter (Kaifa ma105c) with the DSMR binding.
I have reading serveal posts but no luck to get any reading ( HANDLER_INITIALIZING_ERROR)
settings baudrate 11500 8n1 parity none
when i run minicom everything runs fine. that means that my P1 cable is correct
I run openhab3 stable on debian 10 in esxi6.7 vmware.
my uart interface is regonised and running (dev/ ttyUSB0)
What could be the issue?