Revit family placement with the help dynamo

i just created one script with the help of deferent packages.
but i am getting an error when i am running the scripts can some please let what was the actual issue here,

Just to clarify, that node doesn’t create the family types. You already have to have the family “Emergency Ceiling Light” with all of those types already loaded in your model. So either it cannot find the family or your family does not contain any of those types.

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