What is oops all berries memes?

The "Oops! All Berries" meme references a popular cereal brand, Cap'n Crunch, that released a limited edition version of their cereal that only contained their colored berry-shaped bits and no other shapes. The meme plays off the idea that the company accidentally released a cereal that contained only the berries. The meme is typically used to reference a mistake or mishap, often in a playful or sarcastic way. The meme has been referenced in various forms of media, including TV shows, movies, and video games.