Maybe $_[2] or $_[0] aren't defined?! 
if ($_[1] == 1) {
    die "something went wrong!\n" unless (defined $_[2] 
        and defined $_[0]);
    # ...
}

[download]
 See above: 482663 - for a reasonable solution.

In reply to Re: symbolic ref error by neniro
in thread symbolic ref error by Lhamo_rin

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