When you are too close to a wall and are being attacked by hounds, you end up attacking the walls and destroying them instead of the hounds. Also if you place the science machine next to a wall, you only get the option to attack the wall instead of opening your present.
Steps to Reproduce
Stand next to a stone wall with a tool in hand.
Stand next to a stone wall with a tool in hand.
A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.