It's normal to encounter challenges. Don't hesitate to do a 5mn pause to clear your mind.
Help is available directly in the game by clicking the ? button. If you are still blocked, send an email to [email protected] describing the scenario and where you are at, so we can help you
Are you sure it's a bug and not a desired behavior from the game?
If you are convinced that there is a bug, please report it by sending an email to [email protected]