Period causes no response

I will try to build the floor periodically.
But I found that when the program was executed,
Will cause the computer to not respond
Has anyone ever happened this kind of thing?
this is my file
period.dyn (33.8 KB)
period model.rvt (3.5 MB)

Likely your graph is taking longer to execute than the periodic runtime, creating an infinite loop. Adjust the periodic runtime to a longer period (say 2 minutes) and see if that resolves the issue.

FWIW, I do not recommend creating Revit content in periodic mode. There are better methods for animating creation sequencing.