Edit of attendees does not crash the program

[hoperawr]

No details provided.

[nus-se-bot]

Team's Response

Not sure what is meant here.

Anyway, it is the intended behaviour that any invalid matriculation numbers in the event's attendees list are ignored instead of resetting data.

Items for the Tester to Verify

❓ Issue response

Team chose [response.IssueUnclear]

• I disagree

Reason for disagreement: [replace this with your explanation]

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