Sometimes things don't quite go according to plan. At this point you have a few different options available. You can spend time addressing the problems, trying to fix them. If that's not an option, maybe you can sit back and think about what went wrong, to make sure you (or someone else if you're feeling benevolant) learn from them in future.
Or else, there's always this one:
Dedicated to the only project I've ever worked on where there's a "Blame Register"