re: Cake disaster!!!!!

I think we’ve all been there, so don’t let it get you down. Just like the others have said, just use this as a learning experience. It’s very important to use a VERY stiff dam of buttercream and then place your filling (even if it’s also buttercream) inside of the dam. This will prevent any filling from bulging out the side. To me, it looks like that’s what might have happened in this case.