Traceback (most recent call last): File "C:\Users\User\AppData\Roaming\Blender Foundation\Blender\2.80\scripts\addons\io_scene_valvesource\export_smd.py", line 205, in execute self.exportId(context, id) File "C:\Users\User\AppData\Roaming\Blender Foundation\Blender\2.80\scripts\addons\io_scene_valvesource\export_smd.py", line 546, in exportId self.files_exported += write_func(id, bake_results, self.sanitiseFilename(export_name), path) File "C:\Users\User\AppData\Roaming\Blender Foundation\Blender\2.80\scripts\addons\io_scene_valvesource\export_smd.py", line 973, in writeSMD line += str(self.bone_ids[parent.name]) KeyError: 'susp_fl' location: <unknown location>:-1