I started a new savefile after 1.1.0 released. The game directory has existed for a while before that-- there were my old savefiles from like 0.7 available when I fired the game up again -- but I didn't use them at all for my fresh playthrough.
If you didnt used your old save files then that wouldnt be the cause of the problem. It might be a bug then that i didnt manage to find yet, I will continue to look further into it.
To recap: You accepted the impossible request job at the guild and the quest giver was not in the house where you found her before for the casino quest?
Is that right?