registering a new account with same email generates unnecessarily verbose mysql error

[TheDennisCollective]

I got an unnecessarily verbose mysql error when I tried to register a new account using the same email address, which featured the sql statement to inject me into the database in plain text, including my password.

a "we're sorry you can only have one account per email" page would be a lot better than a generic MYSQL FATAL ERROR page, that only computer geeks can understand, and doesnt have any back link.