Change in level after saving & reloading

[Lunever]

I just encountered quite a strange bug for the second time (when I encountered it for the first time I thought, that I had made some mistake myself, but this time I´m sure about it):

I was training in the screamer room on Level 4 (Hall-O-Champions = lvl 1). One of my characters got a increase of level as a fighter, but I was not content with the increase of stats, so I saved the game to a new savegame and reloaded the last savegame before the level increase. But then, the character had the NEW level supposed to be in the new savegame only, but the stats of the OLD one without any increase.
On other similar occassions, this error did not happen.
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[Lunever]

And after another normal level rising optimizing it jusz happened again with the next character rising. So this error occurs irregular but repeatedly.
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[George Gilbert]

Fixed for V0.17