RPI3+imst880Aboard+dbrgn backplane concentratord doesnt exist

Hello ,

I have problem. Chirpstack OS is installed on raspberry Pi3 with IMST880A board and backplane from

All the time i received error that concentratord doesn exist.

Please help.

because your concentratord not properly configured, look into your config file

Thanks for notice. I understand that concentratord is not proprely configured. But I dont understand where is mistake. Here are all three concentratord configuration files.

Tried with reset pin on , on 22, on 5 on 25, etc…

look into concentratord log output.