error when opening house.ifc

gistfile1.txt

... truncatedStarting import process :: 0.00
Loading file :: 0.00
Calculate unit scale :: 0.00
Process context filter :: 0.00
Calculate model offset :: 0.04
Predict dense mesh :: 0.59
Set units :: 0.00
Create project :: 0.00
Process element filter :: 0.03
Traceback (most recent call last):
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\module\project\operator.py", line 765, in execute
    ifc_importer.execute()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 263, in execute
    self.create_collections()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1588, in create_collections
    self.create_aggregate_and_nest_collections()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1644, in create_aggregate_and_nest_collections
    ] + [
        ^
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1648, in <listcomp>
    r.RelatingObject.is_a("IfcElement")
    ^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'is_a'
Error: Python: Traceback (most recent call last):
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\module\project\operator.py", line 765, in execute
    ifc_importer.execute()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 263, in execute
    self.create_collections()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1588, in create_collections
    self.create_aggregate_and_nest_collections()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1644, in create_aggregate_and_nest_collections
    ] + [
        ^
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1648, in <listcomp>
    r.RelatingObject.is_a("IfcElement")
    Error in bpy.app.handlers.load_post[8]:
Traceback (most recent call last):
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\module\project\operator.py", line 661, in load_handler
    self.finish_loading_project(context)
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\module\project\operator.py", line 688, in finish_loading_project
    bpy.ops.bim.load_project_elements()
  File "c:\Program Files\Blender Foundation\Blender 4.1\4.1\scripts\modules\bpy\ops.py", line 109, in __call__
    ret = _op_call(self.idname_py(), kw)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: Error: Python: Traceback (most recent call last):
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\module\project\operator.py", line 765, in execute
    ifc_importer.execute()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 263, in execute
    self.create_collections()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1588, in create_collections
    self.create_aggregate_and_nest_collections()
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1644, in create_aggregate_and_nest_collections
    ] + [
        ^
  File "C:\Users\Ryan Schultz\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\blenderbim\bim\import_ifc.py", line 1648, in <listcomp>
    r.RelatingObject.is_a("IfcElement")
    ^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'is_a'
Location: c:\Program Files\Blender Foundation\Blender 4.1\4.1\scripts\modules\bpy\ops.py:109