Issue solved, that was a reference issue. Thanks to those who had a look into it. FYI:

Replace

 $ulm_keys{ $h_tag } = {
    $h_val  => 1,
 };

[download]

With

$ulm_keys{$h_tag}{$h_val}=1;

In reply to Re: Hash of hash check if defined by Jup
in thread Hash of hash check if defined by Jup

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