This is probably not very important but What is the expected workflow when someone visiting your site at http://www.brombone.com/ clicks sign up and clicks cancel in the following screen? I just get an error.
Like I mentioned earlier, it probably does not need to be high on your agenda. However, to answer your question why would someone cancel... because the button is there and we users are stupid.
Open up a private browsing instance and go through the workflow. You'll probably end up here[1]. Did you change something in the last hour? I thought I was getting a message from dailycred not from you when I checked before I went for my walk.
Seems like you're logging these errors somewhere. Sorry if I am muddying the error tables for you.
That cancel button is actually what cause a few brief periods of unavailability a couple hours ago. When a user clicked the cancel button it was taking them to the account page even though they didn't have an account, and that was crashing the server.
I have fixed the crash, but I still need to add the proper redirects after cancel is click. Thanks for reporting this. It made tracking down the problem easier.
Actually, in hindsight it was my action that crashed your server unless someone else clicked cancel as well. Sorry about that. I'm glad you were able to track and patch it quickly.