I am the author of
Spreadsheet::WriteExcel.
I've never seen that warning. What version of Excel are you using?
Does the following generate the same warning?
#!/usr/bin/perl -w
use strict;
use Spreadsheet::WriteExcel;
my $workbook = Spreadsheet::WriteExcel->new("test.xls");
my $worksheet = $workbook->add_worksheet();
$worksheet->write ('A1', 12345);
$worksheet->write_string('A2', 12345);
__END__
If not could you isolate the data field that causes the warning.
--
John.
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