Elevation error

Hi, I’m trying to make level in Revit through Grasshoper but it always crashes into this error “1. Invalid cast: ProjectElevation » Nullable`1”. If you guys have met this before, I’d be much thankful to receive some advice. I’m using Revit 2024. Thanks in advance.
TestLevel.gh (9.4 KB)

Le Gia Huy, Thanks for reporting. Please update to the latest RC (1.13) or above

1 Like

Thanks !!!