Please clarify the gameplay bug, then.
The current bug report states that "at move #127, the three dices indicated impossible choice at my first roll." I have replayed played the game from a few turns before 127 to a few turns after. The only time the impossible move was indicated was the 2-2-6-6 when 4, 8, and 12 were already claimed.
So, what's the bug?
What *exactly* was the game state before the bug? (Whose turn was it, what had they rolled, what did they choose to advance on, where are their temporary markers, are any columns claimed?)
At the end of that turn, what was the next die roll -- the one that has the bug?
What did the BGA implementation do that was against the rules?
Right now everyone who has looked at the big picture can't find what you are describing as a bug. We can only find good code.