Ruby on Rails

keerthi priya wrote in post #1119115:
> Hi all,
>
> I am getting this bellow error

> No method error undefined method `each' for nil:NilClass

The error is what it says it is. You are sending the message 'each" to a
nil object reference. Look back through the stack trace until you get to
the first line containing your own code...

> NoMethodError (undefined method `each' for nil:NilClass):
>
> ... a bunch of framework references....
>

Something you should recognize...
> app/models/exam_report.rb:89:in `generate_normal_report'

Line 89 of exam_report.rb. Find out which object is receiving the 'each'
message and figure out why the reference is nil.

>
> ... stack trace continues ...
>

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