Hello, folks.  My apologies for the dead URL.  Whazizname pointed me to this thread, so I thought I'd stop in directly and offer the current link for the script I wrote to fix Have's figures.

http://www.the.cage.page.phantom3d.net/scripts/pzpy/fix_EROKOs3d.py

If I recall correctly, this goes through the file and checks internal names of parameters, which are in English, and converts non-English external names from that information.  I think the actual crash problem with the Have figures wasn't the Japanese characters, however, but the presence of custom cameras which were parented to the hands and/or other body parts.  (I haven't read this thread, apologies, so I don't even know exactly what you're trying to fix presently....  )

So theoretically the process used in the script should still work on recent Poser files, but there may still have been cr2 changes since the Poser version Have's figures used, which could interfere.  I was using Poser 5 at the time, and I think... Poser 6 may actually have been current when the script was written.  (Apologies to Whazizname - I gave you the wrong Poser version in PM.)  If non-English characters are used for the external naming of any parameter types added since P6, the script would need to be updated to accomodate those.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.