Humidifier not Working [closed]

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I am trying to humidify the air in my building, as around 20% of the time humidity is below 30%.

I think I have followed the indications of this post fully (https://unmethours.com/question/26822...), but my simulation fails at the start. When I check the ERR file, the following error message pops up:

* Severe * Humidifiers: Missing humidity setpoint for Humidifier:Steam:Electric = ELECTRIC HUMIDIFIER

* ~~~ * use a Setpoint Manager with Control Variable = "MinimumHumidityRatio" to establish a setpoint at the humidifier outlet node.

* ~~~ * expecting it on Node="NODE 136".

* Fatal * Previous severe set point errors cause program termination

I find this odd, as I have done the following things suggested by the post:

• Include a minimum and maximum humidity schedule (Schedule Type: Percent) into my thermal zone in the HVAC Systems tab

• Add a SetpointManager:SingleZone:Humidity:Minimum and associate it to the thermal zone

• Add a Humdifier:Steam:Electric into the HVAC loop in the location suggested in the post

I have alternatively tried to use a SetpointManager:MultiZone:Humidity:Minimum as I can set a minimum humidity ratio, but I get the exact same error.