I got an error exporting one scene:
-- Error occurred in anonymous codeblock; filename: C:\Users\user\verge3d_max\max_plugin\verge3d.ms; position: 19557; line: 497
-- MAXScript MacroScript Error Exception:
-- Runtime error: Unknown exception thrown executing script
-- MAXScript callstack:
--	thread data: threadID:18452
--	------------------------------------------------------
--	[stack level: 0]
--	In exportGLTF(); filename: C:\Users\user\verge3d_max\max_plugin\verge3d.ms; position: 19558; line: 497
--	member of: StructDef:V3DManagerStruct
--		Locals:
--		Externals:
--			importPython: Struct member:importPython : V3DManagerStruct.importPython()
--			owner: (V3DManagerStruct V3D_MENU_CONTEXT:1905594901 autoAssignAttrs:false settingsFile:"$userscripts/Verge3D/settings.ini" debug:false hasInitiated:true smeClock:dotNetObject:System.Windows.Forms.Timer)
--	------------------------------------------------------
--	[stack level: 1]
--	called from codeblock macroScript: Verge3D_exportGLTF; filename: C:\Users\user\verge3d_max\max_plugin\verge3d.ms; position: 277; line: 11
--		Locals:
--		Externals:
--	------------------------------------------------------
--	[stack level: 2]
--	called from top-level