For this error you will need to Force Quit Banktivity – go to > Force Quit. You may lose the last entry or so when Force Quitting Banktivity, but since Banktivity saves automatically after each entry it should not be more than an entry or so. After Force Quitting Banktivity you should not have this issue again.
If this issue does re-occur for you, please contact IGG Support directly via email or Live Chat with as many details as possible regarding what is happening in Banktivity when this issue occurs.
Live Chat support is available 7 days a week: Monday-Friday from 9:00 am – 5:00 pm Eastern (USA) and from 10:00 am – 4:00 pm Eastern (USA) on weekends. To start a Live Chat session, go to the following page on our website and click on the green “Live Chat is ON” button below option number 2 (email support options appear below number 3): http://www.banktivity.com/support.php