...
my $Range = $Sheet->Range('a1:d5');
my $Chart = $Excel->Charts->Add;
$Chart->{ChartType} = xlSurface;  # <<<<<<==== I get an exception here
$Chart->SetSourceData({Source => $Range, PlotBy => xlColumns});
$Chart->{HasTitle} = 1;
$Chart->ChartTitle->{Text} = "Some Title";
...