LensFix CI 4.7 Aperture Plugin does not work with x86_64 mode. LensFix CI 4.7 Aperture Plugin is build as universal binary. But one of resource of the plugin does not have x86_64 binary. So, you can not LensFix CI 4.7 Aperture Plugin with 64 bit mode Aperture on Intel Mac.

There are two workaround:
1. Try using the stand alone LensFix CI 4.7 as an external editor of Aperture.
2. Try using the Aperture with 32 bit mode.

You can check the universal binary with file command.

$ file LensFixCI\ 4.7\ Plugin.ApertureEdit/Contents/Resources/little_guy
LensFixCI 4.7 Plugin.ApertureEdit/Contents/Resources/little_guy: Mach-O universal binary with 2 architectures
LensFixCI 4.7 Plugin.ApertureEdit/Contents/Resources/little_guy (for architecture i386):	Mach-O executable i386
LensFixCI 4.7 Plugin.ApertureEdit/Contents/Resources/little_guy (for architecture ppc7400):	Mach-O executable ppc

You can convert LensFix CI 4.7 Aperture Plugin to pure 32 bit intel binary with the following commands.

$ cp LensFixCI\ 4.7\ Plugin.ApertureEdit/Contents/MacOS/LensFixCI_Plugin LensFixCI\ 4.7\ Plugin.ApertureEdit/Contents/MacOS/LensFixCI_Plugin.backup
$ ditto --rsrc --arch i386 LensFixCI\ 4.7\ Plugin.ApertureEdit/Contents/MacOS/LensFixCI_Plugin.backup LensFixCI\ 4.7\ Plugin.ApertureEdit/Contents/MacOS/LensFixCI_Plugin