Help need in Stacked bar vertical - No data found message

I am using Stacked bar vertical with the 3 series. The problem is if any one of the series returns zero rows for the query it displays the No data found message for all the series and blank graph is there on screen with just x and y axi with the name.
The result i want is if any series in the graph returns zero row for the query it should executed the other series and show the graph accordingly for the series fetch the data.
all these queries are returning the data when run on database instead of one.
Can anyone help me for this?

Hello Sunil,
you may find some info here:
Document on Multiple Series SVG Line Chart
Generally speaking, if you want your queries to return "dense" data, you must ensure that a zero (Y value) is returned against each X value. If your queries return no rows, it means you must "artificially" create values, probably rewriting the queries with an outer join to a table returning the desired X values and using NVL function to replace null (Y) values with zeros.
Also, be careful with the order of X values, it really matters, otherwise you'll get skewed charts!
Bye,
Flavio

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