DirectStart: Starting the game.
Known pipe types:
wglGraphicsPipe
(all display modules loaded.)

Error in /f/workspace/SpacePanda/src/model/spaceball.egg at line 5431, column 25:
<Tangent> { nan nan nan }
^
parse error

:egg2pg(error): Error reading /f/workspace/SpacePanda/src/model/spaceball.egg
:loader(error): Couldn't load file model/spaceball.egg: all matching files on model path invalid (the model path is currently: "/f/workspace/SpacePanda/src;/f/Panda3D-1.7.2/etc/..;/f/Panda3D-1.7.2/etc/../models")
Traceback (most recent call last):
File "F:\workspace\SpacePanda\src\main.py", line 4, in <module>
environ = loader.loadModel( "model/spaceball.egg" )
File "F:\Panda3D-1.7.2\direct\showbase\Loader.py", line 169, in loadModel
raise IOError, message
IOError: Could not load model file(s): ['model/spaceball.egg']

bl_info = {
    "name" : "Panda3D exporter",
    "description" : "Panda3D exporter",
    "author" : "...",
    "version" : (0, 1),
    "blender" : (2, 5, 9),
    "api" : 35764,
    "location" : "File > Export > Panda3D (.egg)",
    "warning" : "",
    "wiki_url" : "",
    "tracker_url" : "",
    "category" : "Import-Export"
}

import bpy

class Panda3DExporter(bpy.types.Operator):
       bl_idname = "export.panda3d"
       bl_label = "Export Panda3D"

class Panda3DImporter(bpy.types.Operator):
       bl_idname = "import.panda3d"
       bl_label = "Import Panda3D"

def menu_export_func(self, context):
    self.layout.operator(Panda3DExporter.bl_idname, text="Panda3D (.egg)")

def menu_import_func(self, context):
    self.layout.operator(Panda3DImporter.bl_idname, text="Panda3D (.egg)")

def register():
    bpy.utils.register_module(__name__)
    bpy.types.INFO_MT_file_export.append(menu_export_func)
    bpy.types.INFO_MT_file_import.append(menu_import_func)

def unregister():
    bpy.utils.unregister_module(__name__)
    bpy.types.INFO_MT_file_export.remove(menu_export_func)
    bpy.types.INFO_MT_file_import.remove(menu_import_func)