Using 4.1 Verison of blender
Blender Source Tool is 3.3 Version

log:
Python: Traceback (most recent call last):
File "C:\Users\user\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\io_scene_valvesource\export_smd.py", line 220, in execute
else: self.exportId(context, collection)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\user\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\io_scene_valvesource\export_smd.py", line 352, in exportId
bake = self.bakeObj(ob)
^^^^^^^^^^^^^^^^
File "C:\Users\user\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\io_scene_valvesource\export_smd.py", line 877, in bakeObj
data.use_auto_smooth = id.data.use_auto_smooth
^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'Mesh' object has no attribute 'use_auto_smooth'

I'm going crazy over this damn error, what the hell am I supposed to do?