Requirements: The user selects an invalid set of data to be removed from the database.
Action: The user clicks on the "Remove" button.
Expected Result: The system displays an error message indicating that the selected data cannot be removed from the database.
Requirements: The user selects an invalid set of data to be removed from the database. Action: The user clicks on the "Remove" button. Expected Result: The system displays an error message indicating that the selected data cannot be removed from the database.
Related to #31