On the Advanced page, System - PV Yield graph says "No data to display" even though I have a PV charger and it's yield appears in it's own graph. I seem to remember this graph was populated with the PV charger info but can't be sure.
In any case, this seems to be a bug in the current VRM
VRM portal id d41243d31965
Venus OS v2.84
Mac OS 11.6, Safari 15.0
Also on VRM app on iOS