I have Multi 12/3000 FW 481, Cerbo GX FW 2.66, BMV-712 FW 4.05, Smart Battery sense FW 1.05, and two SmartSolar 100/50 controllers. After I upgraded the MPPT controllers FW to 1.56 my Cerbo GX started complaining about "#48 DVCC with incompatible firmware". Anyone has any idea why? The installer that installed the system is quite useless, - he even did not update Multi FW, so I had to go through all FW updates myself...