I’m got an Intesis Gateway, M-Bus conection 30 device (2 kind of device are BTU UH50-siemens and Pavoc Invonic 2) with baudrate 2400. But the “communication error” is usually “ON” with BTU siemens (50 times / day), Pavoc Invinic 2 conection is stabe.
For issues with this product, you should create a case at support.hms-networks.com.
I recommend creating a log as shown in the following article to send to them: