GraphicConverter’s AppleScript ‘set IPTC caption’ errors
If you’re trying to use GraphicConverter with AppleScript to set IPTC captions and are getting the “GraphicConverter got an error: Some data was the wrong type.” error, you need to coerce your caption variable to Unicode text:
set myCaptionVariable to myCaptionVariable as Unicode text — that’ll fix it.
No one on them internets seems to have posted this before. This little post should have enough keywords for flummoxed people (like I was an hour ago) to find it.