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Bug
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Resolution: Fixed
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Minor
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4.4
Previous ordering question whose hints had clearwrong NULL break quiz and question editing.
In our database, there are ordering type questions whose hints do not carry a value in the clearwrong column.
They would trigger an error upon attempting a quiz with that question present, or when trying to edit that question.
TO REPRODUCE:
Have a ordering question whose related entries in the question_hints table have NULL in the clearwrong field.
As teacher, try to edit such a question.
WHAT YOU EXPECT:
Editing succeeds.
WHAT ACTUALLY HAPPENS:
There is an error thrown.