At the moment if you have no notifications and you dismiss a notification, "Invalid page 1" is displayed, as there are no notifications left on page 1.
The notification list should not be displayed on dismissing if there are no remaining notifications.
At the moment if you have no notifications and you dismiss a notification, "Invalid page 1" is displayed, as there are no notifications left on page 1. The notification list should not be displayed on dismissing if there are no remaining notifications.