Custom nodes giving nulls

Hi All,

I have created several custom nodes that generate geometry and run the analysis using RSA. My issue is with dynamo, it sometimes works and sometimes provides me with null values. I am sure that the nodes are all correct because it does work sometimes. Has anyone come across this issue before? if so, how did you overcome it. or is it something that we have to deal with when using dynamo?

for your information, I am using dynamo from Revit 2021.

Thank you in advance.

Hi @benameram ,

Could you maybe share your dyn graph? Because this could be caused by a lot of things :slight_smile:

Hi @Daan,

Thanks for replying. Please find attached Dynamo file.

Truss types.dyn (236.9 KB)

Hi @benameram,

Have you tried changing the list lacing/ list levels?

No, I haven’t, do you mean for the outputs?