How do you know that the error wasn’t yours?
Everyone knows that a plugin that works perfectly on a developer’s computer may still have an issue in your own environment. When something doesn’t work well, here are some simple steps you might follow before a rating entry.
1.Turn off plugins to eliminate cross-contamination.
2.Check things with a simple theme, like TwentyEleven.
In the meantime, try reviewing:
◾http://pippinsplugins.com/how-to-leave-a-good-bad-review
◾ http://chrislema.com/theres-wrong-way-give-plugin-feedback-wordpress-org/