HM-ES-TX-WM_CCU gas values are increasing after CCU restart

[soosp]

If you do gas metering with HM-ES-TX-WM_CCU and RaspberryMatic, the "Energy Counter - Central" field is increased with value of "Energy Counter - device" field after a power outage, software update or a simple reboot of RaspberryMatic.
Here are the values before reboot:

After reboot:

And these are the values when device first appears:

There was not any gas consumption under this test.

[jp112sdl]

It's not a problem of the sketch. Maybe a problem in Raspberrymatic or so.
"Energy Counter - Central" is calculated directly within the CCU