To report a bug, please visit the bugs section of the forums. Please check to see if the bug you are reporting is already being discussed in a thread. If so, please add any detail that you can into that thread.
The developers prioritize issues based on both severity and how many people are affected. If you start a new thread for an issue that is already being discussed, it will probably not be quickly seen by the developers.
To protect your in-game anonymity when reporting bugs, you can quote your support ID instead of your province name or username. This ID can be used by staff members only to look your province up in the game.
Tips for reporting bugs effectively: