When I get a chance, I'll take a look at the database and see if anything looks strange. Also, pertaining to the button, it only works if you are stuck in a battle according to the server - such as against no enemies.

Yea, everything in the database looks perfectly fine. I really have no idea what would be causing this issue. The only thing I can think of is that your browser is malfunctioning and somehow repeatedly submitting explore/battle commands outside of actually hitting explore or begin battle.

If you haven't had anymore trouble lately, I wouldn't do anything. If you do, then I would just make sure your browser's fully up to date and not running anything odd. Maybe even go as far as uninstalling Chrome and reinstalling it. But again, if no issues, then I wouldn't touch it lol.