That's something weird.. I have imported the BG1 chars (BG1 + TotSC actually) quite many times and have absolutely no issues whatsoever. Stats are all OK, paperdolls are OK, all is OK. I have had many stats over 18 (ok, 3 for a fighter, the STR, CON and DEX) and have had no problems. Seems that it's something related to your installation. Or something else, beats me what really...
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