I always get the 'unable to create directory error' on startup.
I don't usually use the modder for components, but when I use it for systemtypes - I usually end up getting an error that causes the 'physical type' box not to display and therefore I can't add any more entries. It sticks at whatever object # it occurs at and is still present after closing the program and restarting.
The program eats a lot of memory. Can you work on that? Perhaps only load individual files instead of the whole mod at once?
I think a few improvements to the interface would be nice, but not totally necessary. I just don't like those grey controls in the middle of the black blackground, it just looks wierd
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Lastly, I must commend you on this fine program and I look forward to the next Version!