invalid geometry error

[yannisant]

Failed:
Traceback (most recent call last):
File "/Users/y.antypas/Library/Containers/com.autodesk.mas.fusion360/Data/Library/Application Support/Autodesk/ApplicationPlugins/ACDC4Robot.bundle/Contents/commands/ACDC4Robot/acdc4robot.py", line 178, in run
export_stl(design, save_folder, link_list)
File "/Users/y.antypas/Library/Containers/com.autodesk.mas.fusion360/Data/Library/Application Support/Autodesk/ApplicationPlugins/ACDC4Robot.bundle/Contents/commands/ACDC4Robot/acdc4robot.py", line 82, in export_stl
stl_export_options = export_manager.createSTLExportOptions(occ, mesh_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/y.antypas/Library/Application Support/Autodesk/webdeploy/production/a7e8f11f264055cdb2f910d90d9119bfb2cbf711/Autodesk Fusion 360.app/Contents/Api/Python/packages/adsk/fusion.py", line 22608, in createSTLExportOptions
return _fusion.ExportManager_createSTLExportOptions(self, *args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: 3 : invalid geometry

I only have components, organised in the following arrangement:

[Nuofan-SUSTech]

Is that the body of pi_front_pole_l is not a bRepBody? It seems that the orange icon means it is a surface geometry which is different from the solid body.

The geometry for exporting should be a solid body.