Here you can ask questions and discuss the A* Pathfinding Project. A lot of questions have been asked in this forum, so the fastest way to find the answer to a question that you have is to use the search bar in the upper right corner of the page, but if you cannot find an answer, just start a new topic.
When you get an answer to a question that you had - or maybe just found a post that was helpful - you can 'like' that post by clicking on the heart ( ) icon below the post. This helps other users with similar questions to find good answers.
You can find the official documentation for the system here: http://arongranberg.com/astar/docs/
Documentation for beta releases is usually placed here: http://arongranberg.com/astar/docs_dev/
If you think you have found a bug. It is possible that it has been fixed in a beta release. Take a look at the beta changelog.