Some errors in rule since snapshot 2.3 #1231

I found the solution myself:

But i still have some warnings:

rule "PV-Leistung - Strahlung Average"
when
	Item stromzaehler1_radiation received update
then
	stromzaehler1_radiation_Avrg_10min.postUpdate(stromzaehler1_radiation.averageSince(now.minusMinutes(10), "rrd4j"))
	stromzaehler1_radiation_Avrg_30min.postUpdate(stromzaehler1_radiation.averageSince(now.minusMinutes(30), "rrd4j"))
end

Items:

Number stromzaehler1_radiation    "Stromzähler PV Total-Strahlung [%.2f]"    <solarplant>    (gSolarStrahlung)
Number stromzaehler1_radiation_Avrg_10min    "Strom Total-Strahlung avg 10min [%.2f]"    <solarplant>    (gSolarStrahlung)
Number stromzaehler1_radiation_Avrg_30min    "Strom Total-Strahlung avg 30min [%.2f]"    <solarplant>    (gSolarStrahlung)