I am already using BAM! to keep track of all my projects, and it was working fine, but suddenly my collatz stats split off from my normal stats page and made its own page. The collatz CPID changed, but the CPID I can see on my BAM! account is the one that my other projects have used. I tried renewing it, but it didn't fix the problem.
You can see the split here where there is suddenly negative points: