$self->controller->track_progress(phase => 'building data', progress => 0);
- my $i;
+ my $i = 0;
my $num_data = scalar @{ $self->controller->data };
foreach my $entry (@{ $self->controller->data }) {
$self->controller->track_progress(progress => $i/$num_data * 100) if $i % 100 == 0;