After answering sucessfully all questions to win the game, when the "congratulations" message is shown, the 3 help buttons are still active and clickable. If we click on one we have the error:

Notice: Trying to get property 'answertext' of non-object in /htdocs/moodle/mod/game/millionaire/play.php on line 534
Notice: Trying to get property 'answer' of non-object in /htdocs/moodle/mod/game/millionaire/play.php on line 539
Notice: Undefined property: stdClass::$id in /htdocs/moodle/mod/game/millionaire/play.php on line 539
Notice: Trying to get property 'questiontext' of non-object in /htdocs/moodle/mod/game/millionaire/play.php on line 133
Notice: Trying to get property 'questionid' of non-object in /htdocs/moodle/mod/game/locallib.php on line 2546