I'm making some assumptions about how you want the data merged, but at least the following produces your expected output:

use Hash::Merge;
my $merger = Hash::Merge->new();
my $joined_FS = {};
$joined_FS = $merger->merge($joined_FS, $_) for $VAR1, @$VAR2;

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In reply to Re: Error: when joining two hashes by haukex
in thread Error: when joining two hashes by Sami_R

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