List.creat node return NULL . Any idea ?
Looks like you need to close and rerun your graph.
i did that too many times
i will try to reinstall Dynamo
Which Revit Version you’re using? Make sure you have the latest Revit build version.
list.creat somtimes read the data and sometimes not
i think the problem came from Revit becuse i tried it with different data it works but when i came back to the same data it wont
Revit bug, i tried to duplicate the floor plan and he gave me error .
thank you every body for help, we will always learning