I just won a battle near the transition from Swamp to Marten's Bluff (on the Swamp side). One of my characters gained a level, I entered the transition (so the game was asking me if I wanted to go to Marten's Bluff), and then the game displayed the message about skill increases. At that point, I could not press anything to continue, so I had to terminate the process.

Good think I Quicksaved after winning the battle!

Edit: The skill increase messages were covering the checkmark and x, so I couldn't click either of them to continue.