Be sure you have the latest version of Aki - 1.2.
Go to the Aki folder and select the application icon by clicking on it one time, then go to the File menu to Get Info. If it is any version prior to 1.2, go to http://www.ambrosiasw.com/dl/aki to download the latest version.
Before launching the update, throw out the preferences for Aki. Go to your Home/Library/Preferences folder and drag the Aki Prefs file to the trash. Then launch the game.
If problems persist or you are already running the latest version, read through the rest of the FAQs for currently known issues and workarounds.
For further assistance contact Ambrosia Tech Support.