What valuable information was omitted in the defect report for the coffee machine?

The omission of data identifying the tested coffee machine in the defect report is crucial because it allows for proper tracking and understanding of the context in which the defect was found. Without this identifying information, it becomes challenging to reproduce the issue, assess whether it occurs across different machines, or resolve the defect effectively. Identifying specifics such as the model, serial number, or any unique characteristics of the machine in question provides vital context that is necessary for developers and testers to investigate the defect thoroughly. This ensures that appropriate fixes can be implemented and future testing can be aligned with the right configurations and conditions.

It's important for defect reports to include as much relevant information as possible to facilitate effective communication among team members and assist in the overall defect management process.