Able to input students not in that class for markAtt

[nus-pe-bot]

[How to reproduce]

Using the sample data, run markAtt d/5/6/2022 c/1.2 ind/2

[Expected]

Error is thrown since the student in index 2 is not in class 1.2

[Actual]

No error is thrown

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_{[original: nus-cs2103-AY2223S1/pe-interim#5585] [original labels: type.FeatureFlaw severity.Low]}

[jgyj123]

Team's Response

Agree that error message is not shown.

Duplicate status (if any):

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