When Bob, delete the user John. The application is crashing, because Bob has upcoming appointments with John. But John user has been deleted.
After refresh the application, upcoming appointments are shown in the screen, but user section doesn't have John name.
When Bob, delete the user John. The application is crashing, because Bob has upcoming appointments with John. But John user has been deleted. After refresh the application, upcoming appointments are shown in the screen, but user section doesn't have John name.