Club Penguin Not Throwing Snowballs on the Iceberg Glitch

Today, I was going to the Iceberg when a friend of mine wanted to find something. I tried to point it out to him with a snowball, but this is what happened:

Do you see a snowball in my penguin's hand? This means that it has disappeared. Does this also happen to you when you try and throw a snowball at the Iceberg? I don't understand this glitch, and I hope that Club Penguin squashes it soon.