Hi Shevvie,
I'm not sure what is going on but try this - instead of creating the chart
and then adding a secondary axis, select your data and click the chart
wizard, choose the Custom Types tab and then Line - Column on 2 Axes.
Complete the chart.

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Cheers,
Shane Devenshire
> created bar and line chart - after they are in place, I add a secondary axis
> which makes the line disappear (however, the series is still included in the
> range)?
> Thanks