Without Use Mopaq Paths, the exporter will assume local paths on your computer. They'll work for you, but no on else, since they don't have those paths.
As for reasons why it may not work despite all that, any objects in the scene that don't have a material assigned to them get exported in Export, but not Preview, so that inconsistency can end in tears.
Without Use Mopaq Paths, the exporter will assume local paths on your computer. They'll work for you, but no on else, since they don't have those paths.
As for reasons why it may not work despite all that, any objects in the scene that don't have a material assigned to them get exported in Export, but not Preview, so that inconsistency can end in tears.