I think you have it there. A variable of the same name exists in main and in ora. So you have to spell out which one you mean. Perhaps this will help:

#!/usr/bin/perl

use strict;
use warnings;

# package main (default);

our $ora_errstr = 'main';

{

  package ora;
  
  our $ora_errstr = 'ora';
  
  print "package ora\n";
  print "\$ora_errstr: $ora_errstr\n";
  print "\$main::ora_errstr: $main::ora_errstr\n";
  print "\n\n";

}

package main;

print "package main\n";
print "\$ora_errstr: $ora_errstr\n";
print "\$ora::ora_errstr: $ora::ora_errstr\n";

__DATA__

---------- Capture Output ----------
> "C:\Perl\bin\perl.exe" _new.pl

package ora
$ora_errstr: ora
$main::ora_errstr: main


package main
$ora_errstr: main
$ora::ora_errstr: ora

> Terminated with exit code 0.
[download]

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