SimGuruGraham spared some time to answer some questions on ModTheSims. One of those questions were related about the picture below.
Q: And what is that colorful pyramid thingy next to the fridge?
A: We create multiple new builds of the game each day, so problems can get inadvertently introduced… when they do, the object that previously existed there gets replaced with that thing. It signifies a broken object – it’s meant to stand out so that we easily spot it when it occurs and subsequently fix it.
Source: Honeywell’s Sims 4 Blog