What version are you running?
1.6 alpha 0 (dev) at http://reviews.reviewboard.org/
What's the URL of the page containing the problem?
http://reviews.reviewboard.org/api/review-requests/2124/
What steps will reproduce the problem?
1. Retrieve API results from http://reviews.reviewboard.org/api/review-requests/2124/ . The diffs link is http://reviews.reviewboard.org/api/review-requests/2124/diffs/
2. Retrieve API results from http://reviews.reviewboard.org/api/review-requests/2124/diffs/
What is the expected output? What do you see instead?
I expect the diffs to be loaded. Instead, the result is an API error : 100 - Object does not exist.