Archi-lab Bumblee package BB data node shows ouput null

[suvirRZPH6]

Hi guys This is suvir here,i would like to create xcel sheets for multiple schedules when i run the script the BB data node shows output null
i have installed revit 2025 version and also same version of dynamo

[Nick_Boyts]

Are you providing a matching list of sheet names? Have you opened the custom node to troubleshoot any root issues there? Do you have Iron Python installed? Is there a reason you’re using Bumblebee instead of the out of the box nodes?

[c.poupin]

Hi @suvirRZPH6

in addition to @Nick_Boyts 's answer, BumbleBee package not yet updated for Revit 2025 (.Net 8)

see here

Dynamo Package Management

The Dynamo team cares deeply about you finding success with your workflows and not being frustrated with changes, so we are here to help with the transition of Dynamo’s underlying technology from .NET4.8 to .NET8.0. But Emrullah, I do not know what this .NET thing is? No problem! What matters here is that for packages and extensions to work in Dynamo they need to be built on the same foundation that Dynamo is, which is a Microsoft framework called .NET. Dynamo has been on the .NET4.8 version f…

for information, the switch to Net 8 (.Net Core) means that we can no longer use directly assemblies in the windows GAC (like Excel Interrop)