If I successfully add a question and then click 'Ask Question' again, the 'askform' page shows all the text from my previous question. This includes the 'Title'. I've gone in as admin and cleared the cache but that does not fix the problem.
In the config file I found SKIP_CACHE and set that to true which fixes the problem. However, what else am I going to "miss" by skipping the cache? How else does this impact the site?