Bonsai meet error "TypeError: 'NoneType' object is not iterable"
Thank you for reviewing this discussion.
I created a .ifc file using IfcOpenShell.
Now, I'm trying to create new IFC objects through Bonsai.
However, when I try to use "Quick Create" for Door and Window types, an error occurs.
I suspect this might be related to the context—possibly the body context—but since I already added the body context, that part seems fine.
What are your thoughts on this?
The image below shows the error and the IFC file I generated.
Let me know if you want to polish it more formally or casually!

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I'll also attach the IFC file.
Review the status of your installation. Go with Blender 4.5 + Bonsai v0.8.3.
If you set Template to Demo Template in New Project, you have one IfcDoorType and one IfcWindowType set.
From the Door Tool and Window Tool, place an object with Add and check if an error occurs.