| # | Problem | Heuristic Violated | Fix | |---|---------|-------------------|-----| | 1 | Error message says “Error 0x0004 – contact admin” when user tries to book an already reserved seat. | | | | 2 | The “Cancel booking” button is tiny, right next to “Confirm booking,” and users frequently click the wrong one. | | | | 3 | After booking, the user receives no confirmation screen or email – just a silent return to homepage. | | | | 4 | The seat map uses red for available and green for taken (unconventional color mapping). | | | | 5 | Users must re-enter login credentials every time they want to change a seat. | | |
Create a numbered task flow (steps 1–8) for a user who wants to: Order a sandwich from the “Student Union Cafe,” customize it (add avocado, remove onions), pay with saved card, and track delivery. ux design fbla practice test