Revit API error

[j.sunnyT6MVA]

i am trying to place a family by points using Revit API.I am getting an error which says …
Warning: IronPythonEvaluator.EvaluateIronPythonScript operation failed.
Traceback (most recent call last):
File “”, line 25, in
Exception: The symbol is not active.
Parameter name: symbol

can anybody help to resolve

Family Instances by points (Python and Revit API).dyn (7.5 KB)

[c.poupin]

you need implement this method before creation of instance

https://www.revitapidocs.com/2020/b4e09402-f6cd-3f48-d01e-ecb87375bac5.htm

[j.sunnyT6MVA]

New to Python: "Exception: The symbol is not active" error

Hello. I am new to Python. I am trying to follow Jeremy Graham’s tutorial. I am trying to do the exercise where he places instances of a Revit family directly from the API. My code is identical to his but for some reason I get this error: “Warning: IronPythonEvaluator.EvaluateIronPythonScript operation failed. Traceback (most recent call last): File “”, line 25, in Exception: The symbol is not active. Parameter name: symbol” Please see attached the Python script. Note that I am using …