Entering exit causes the program to crash

[nus-se-script]

Although quit is the given command in the User Guide, some users may input exit as that is also a common exit command. However, the program crashes with a null pointer exception when exit is inputted.

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_{[original: nus-cs2113-AY2324S2/pe-interim#384] [original labels: type.FunctionalityBug severity.High]}

[chenhowy]

Team's Response

More info is needed on this bug, it is likely not caused by typing exit as I am unable to reproduce the bug.

Also, even though this could potentially be a valid bug, the user can always login again and continue using the app as usual, so it doesn't make the app unusable. Therefore, we will be changing the severity to Medium.

Duplicate status (if any):

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