This is the kind of problem that exposes the gap between what spreadsheets promise and what they actually deliver. The user here is doing thoughtful work, managing three cohorts, tracking weekly shifts, rescheduling canceled groups, but the tool they're using is fighting them every step of the way. The core request is simple: when a group gets canceled in one week, that cancellation should automatically appear somewhere visible so it doesn't get lost. That's not a complex ask. It is, however, the kind of ask that Excel makes surprisingly hard.
The user wonders if code or some clever formula could solve it. The honest answer is yes, with enough effort, you can force Excel to do almost anything. But the cost is time, fragility, and a system that only you understand. A VBA script could pull canceled entries into a master list. A complex chain of XLOOKUP and FILTER functions could flag missing groups. But every one of those solutions introduces a maintenance burden. When a colleague needs to adjust the schedule, or when a new cohort appears, the whole thing can break. The user is already manually building these schedules each week. Adding a layer of custom code on top of that manual work doesn't simplify the process, it just shifts the complexity.
What this user really needs is a system that treats data as data, not as cells on a grid. In a traditional spreadsheet, a canceled group is just a deleted row or a blank cell. It vanishes without a trace. An AI-native approach, by contrast, would see that cancellation as an event. It would log it, track it, and surface it automatically in a master view. The user wouldn't have to remember to check a separate sheet or run a macro. The system would do the remembering. That's the difference between a tool that asks you to manage it and a tool that manages the work for you.
This is not about replacing the user's expertise. They clearly understand their cohorts, their weekly rhythms, and the logic of their scheduling. The frustration is that they have to act as both the scheduler and the memory bank. An intelligent system should handle the tracking so they can focus on the decisions, which group to reschedule, how to balance the week, what to prioritize. The technology exists to make that happen. The question is whether we're ready to leave behind the manual, error-prone workflows that spreadsheets have normalized for decades.