The chart I created includes both bar and line series, with the series dynamically generated based on the date range. All series should be displayed as bar charts, except for the "Total" series, which should be displayed as a line chart.

However, I am encountering an issue where additional line series, which I did not specify, are appearing in the chart. These unexpected line series are not consistent and change as the date range increases. I need assistance to ensure that only the "Total" series is displayed as a line chart, while all other series remain as bar charts.

In the attached image, the "Feb" series is displayed as a line chart, but I haven't specified it anywhere.

Thanks in advance.