Well dear Monks I am perplexed the following code works with the "print Dumper(%hash);" included and fails with an "EXIST" error without line. Why???

#use strict;
use warnings;
use Tkx;
use Data::Dumper;
Tkx::package_require("Tktable");


my $mw = Tkx::widget->new(".");

%hash = 
    ( # data to display
     '0,0' => 'Goodby',
     '1,1' => 'cruel',
     '2,2' => 'world',
     );

%hash2 = 
    ( # data to display
     '0,0' => 'Goodby',
     '1,1' => 'cruel',
     '2,2' => 'world',
     );

my $t = $mw->new_table
    (
     -rows => 5,
     -cols => 3,
     -cache => 1,
     -variable => \%hash,
    );
$t->g_pack(-fill => 'both', -expand => 1);

$b=$mw->new_button
    (-text=>"Search",
     -command=>sub {Search()},
    );

$b->g_pack();

$b2=$mw->new_button
    (-text=>"Text",
     -command=>sub {Text()},
    );

$b2->g_pack();
sub Search()
{print("You rang?\n");
 %hash = 
    ( # data to display
     '0,0' => 'Hello',
     '1,1' => 'Great',
     '2,2' => 'world',
     );
 print Dumper(%hash); #only works with this line in code
};
sub Text()
{print("Yes Master?\n");
 %hash2 = 
    ( # data to display
     '0,0' => 'Hello',
     '1,1' => 'Great',
     '2,2' => 'world',
     );
 print Dumper(%hash2);
};

Tkx::MainLoop();
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