Unable to add module for year 5 and onwards

[nus-pe-bot]

I am unable to add a module as a year 5 student.

This could potentially be a high severity issue since there could be a significant number of Masters/PhD students who would be using this application.

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_{[original: nus-cs2113-AY2223S1/pe-interim#1026] [original labels: type.FeatureFlaw severity.Medium]}

[Zhai-Yuxin]

Team's Response

Validity of year is also mentioned in the manual testing part for DG.

Duplicate status (if any):

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