Generator am AC In Multi RS 48/6000/100

Hello,
I have installed 3 Multi RS Solar. In fakt of, that I have a Generator at the AC in port and this is although the power in for the house, I have the problem, that my generator do not load the battery.

grid - power meter - Generator - power meter - Victron - house and a Fronius Symo Hybrid with his own battery.

Do I need a power meter for balanciung this. Because I ha´ve a smartfox pro too.

regards