Unable to open Assets/xxxxx.fbx: Check external application preferences

When I get the fbx file to asset, this massage…

‘Unable to open Assets/xxxxx.fbx: Check external application preferences’

keep coming from console.

one of my fbx file has animation, i tried to play animationm, it didnt work but i saw that massage.

@magichobo666 thx so much I cold not publish my game with out you

I GOT IT!!!

1.uninstall the game.
2.reinstall the game but when is say install the extra software with it, you will need to tick MonoDevelop other wise it cant run c scripts