Indeed, mea culpa. I tested this scenario (no saved profiles exist yet) earlier, but didn't think to repeat the tests after adding the built-in profiles. Consequently, currently it crashes at unload because no profiles exist at all even though the assumption is that there is always at least one profile.
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http://dengine.net/forums/viewtopic.php ... 082#p10082
In simple terms, Deng team in avertedly hit the 'stable release' button a bit too soon.
Tomorrow's build 1006 should work better.
Similar to this issue but in the 1.13 version, I managed to get a screenshot.
Although it doesn't show much, I sent you a pm about it Skyjake.