Whats wrong with the word undefined ?

Whats wrong with the word undefined ?

{$a->নাম} - {$a->তারিখ} দ্বারা
Number of replies: 0

Hi,

I try to write a quiz query text that contains the word "undefined".

But - thats not a good idea. When saving the query, nothing is saved. What I have written is just silently gone.

So - whats happening?

 

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