getting a nil error. probably a simple fix [Solved]

[Gravityz]

well, i am getting rusty with dzvents


i am trying to time the time between a device gets updated but i am getting a nil error
i declared a global variable but somehow something is still wrong

also tried WatermeterDeltaTime = domoticz.time.compare('Watermeter').lastUpdate.ms but that did not help either

in the global_data is this

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WatermeterDeltaTime = { initial = 9999 },

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return {
    active = true,
    on = {
        devices = {
            'Watermeter'
        }
    },
    execute = function(domoticz, Watermeter)
        WatermeterDeltaTime = domoticz.time.compare(Watermeter.lastUpdate.ms)
        if WatermeterDeltaTime <= 9000 then
         domoticz.devices('fastpulse').updateWaterflow(WatermeterDeltaTime)   
            
            end
       --domoticz.devices('fastpulse').updateWaterflow(1)
    end
}

[waaren]

well, i am getting rusty with dzvents

You compare a time object (domoticz.time) with a number(Watermeter.lastUpdate.ms)

can you try again after changing

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WatermeterDeltaTime = domoticz.time.compare(Watermeter.lastUpdate.ms)

to

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WatermeterDeltaTime = domoticz.time.compare(Watermeter.lastUpdate).ms

That will compare two time objects and returns the ms attribute

[Gravityz]

thanks,

working now.